Final-Quizes7,8,9,10

Question 1

(7)An input validation loop is sometimes called an ERROR HANDLER(T/F)

Answer 1

True

Question 2

(7)If a user is asked to enter the number of widgets he or she wants to buy and enters “two”, the program will automatically change the entry to an integer(T/F)

Answer 2

False

Question 3

(7) If a user is asked to enter the number of widgets he or she wants to buy, the ISINTEGER function can be used to validate this input.(T/F)

Answer 3

True

Question 4

(7)Programs should be designed to inspect all input before processing that input.(T/F)

Answer 4

True

Question 5

(7)A priming read is needed when a pretest loop is executed.(T/F)

Answer 5

True

Question 6

(7) A Boolean function can often be used to validate data(T/F)

Answer 6

True

Question 7

(7) The most difficult input error to validate is an empty read.(T/F)

Answer 7

False

Question 8

(7) Defensive programming is the practice of anticipating errors that an happen while a program is running and designing the program to catch and deal with those errors.(T/F)

Answer 8

True

Question 9

(7) Checking for the accuracy of data, even when the user provides valid input, is part of input validation.(T/F)

Answer 9

True

Question 10

(7) Checking that input data is reasonable is programmatically impossible.(T/F)

Answer 10

False

Question 11

(7) Input validation is not needed if the program is well designed.(T/F)

Answer 11

False

Question 12

(7) A programmer is not permitted to use library functions for input validation.(T/F)

Answer 12

False

Question 13

(7) What do computer programmers say about the fact that computer can’t tell the difference between good and bad data?

Answer 13

Garbage in, Garbage out

Question 14

(7-14) The purpose of _________ is to get the first input value for the validation of a loop.

Answer 14

The priming read

Question 15

(7-15)Designing a program to avoid common errors is called ______________ programming.

Answer 15

defensive

Question 16

(7)Input __________ is commonly done with a loop that iterates as long as an input variable contains bad data.

Answer 16

validation

Question 17

(7)A(n) ____________ is another term for input validation.

Answer 17

Error Trap

Question 18

(7) The priming read is placed __________ the loop.

Answer 18

before

Question 19

If the user, when asked for his/her date of birth, enters a date in the future, this error should be caught by a ________________ check.

A) date
B) time
C) reasonableness

Answer 19

C) reasonableness

Question 20

Accepting February 29 for input only in a leap year is a check that should be caught by a ____________ check.

A) date
B) time
C) reasonableness

Answer 20

A) date

Question 21

(7)Which function could be used to validate an entry for a user’s chosen name that must be between 4 and 12 characters?

Answer 21

legnth

Question 22

(7-22) Which function could be used to validate that the correct data type was input for an amount of money?

A)isReal
B)isString
C)Legnth

Answer 22

A)isReal

Question 23

(7) which function could be used to simplify the process of string validation?

A)isReal
B)isString
C)toLower

Answer 23

C) toLower

Question 24

(7) What would display if the following statements are coded and executed and the user enters 3 twice at the prompts?

Display “Enter your age:”
Input age
Do
Display “Impossible! Enter an age greater than 0:”
Input age
While age <=0
Display “Thank you”

A) Impossible! Enter an age greater than 0:

B) Thank you.
Impossible! Enter an age greater than 0:

C) Impossible! Enter an age greater than 0:
Thank you.

Answer 24

C) Impossible! Enter an age greater than 0:
Thank you.

Question 25

(7) What would display if the following statements are coded and executed and the user enters -3, at the first prompt, 0 at the next prompt, and 22 at the third prompt?

Display “Enter your age:”
Input age
While age <=0
Display “Impossible! Enter an age greater than 0:”
Input age
End While
Display “Thank you.”

A) Impossible! Enter an age greater than 0:
Impossible! Enter an age greater than 0:
Thank you.

B) Impossible! Enter an age greater than 0:
Impossible! Enter an age greater than 0:
Impossible! Enter an age greater than 0:

C) Thank you.

Answer 25

A) Impossible! Enter an age greater than 0:
Impossible! Enter an age greater than 0:
Thank you.

Question 26

(7-26) What is wrong with the following pseudocode that validates a user’s entry?

Display “Do you want to play again? Enter y or n.”
While toLower(choice) != “y” AND toLower (choice) != “n”
Display “Please answer y or n. Play again?”
Input choice
End While

A) There is no check for uppercase Y or N
B) There is no priming read
C) The Boolean expression should be an OR, not AND

Answer 26

B) There is no priming read

Question 27

(6-15) Which function returns a string that is within another string?

A) append
B) contains
C) substring

Answer 27

C) substring

Question 28

(6-1) Library functions are built into a programming language and can be called whenever they are needed(T/F)

Answer 28

True

Question 29

The input column in an IPO chart describes the process that the function performs on input data.(T/F)

Answer 29

False

Question 30

The input column in an IPO chart describes the process that the function performs on input data.(T/F)

Answer 30

False

Question 31

Many programming languages let you assign an integer value to a real variable without causing an error(T/F)

Answer 31

True

Question 32

(6) Random numbers are useful in simulation programs where the computer must randomly decide how an object will behave.(T/F)

Answer 32

True

Question 33

(6) Random numbers are useful in simulation programs where the computer must randomly decide how an object will behave.(T/F)

Answer 33

True

Question 34

(6-5) The function body follows the function header in a function definition.(T/F)

Answer 34

True

Question 35

(6-5) The function body follows the function header in a function definition.(T/F)

Answer 35

True

Question 36

(6)The TO INTEGER function accepts a real number as its argument and preserves any fractional part in the returned number(T/F)

Answer 36

False

Question 37

(6) When a function finishes executing, it returns a value back to the part of the program that called it.(T/F)

Answer 37

True

Question 38

(6)If the string variable name has the value “Anne Marie”, then the following statement would return 9:(T/F)

Set number = legnth(name)

Answer 38

False

Question 39

(6-9) If the string variable name has the value “Anne.Smith”, then the following statement would return annesmith.(T/F)

Set newName = toLower(name)

Answer 39

False

Question 40

(6) If the string variable name has the value “Anne.Smith”, then the following statement would return annesmith. (T/F)

Set newName = toLower(name)

Answer 40

False

Question 41

(6-10) If the integer variable number has the value 5, then the following statement would return 25 to result. (T/F)

Set result = sqrt(number)

Answer 41

False: sqrt(5) is not 25

Question 42

Given an integer variable number, the only possible values for number that could result from the following statement are 1 and 2. (T/F)

Set number = random(0,2)

Answer 42

False

Question 43

(6-12) The following pseudocode would display: Hello,friend.(T/F)

Declare String str1= “Hello,”
Declare String str2= “friend”
Set message = append(str1,str2)
Display Message

Answer 43

True

Question 44

A function ___________ specifies the return data type, name of the function and the parameter variable(s).

Answer 44

header

Question 45

(6)Which function accepts two strings as arguments and returns True if the second string is contained in the first string or FALSE if not?

Answer 45

contains

Question 46

(6) Which function joins two strings?

Answer 46

concatenate

Question 47

(6) What is the value of y after the following statement is coded and executed, given that x = 25?

Set y = sqrt(x)

Answer 47

5

Question 48

What is the value of y after the following statement is coded and executed, given that x = 3?

Set y = pow(x,x)

Answer 48

27
bc (3^3)= 333= 9*3=27

Question 49

What is the value of r after the following statement is coded and executed?

Declare integer i = 12
Declare Real r
Set r = toReal(i)

A)12
B)1.2
C)12.0

Answer 49

C) 12.0

Question 50

(6-20) What would display if the following pseudocode is coded and executed?

Declare String str1=”car”
Declare String str2 = “green”
Set message = append(str1,str2)
Display “You have a “,message

A) You have a greencar

B) you have a cargreen

Answer 50

B) you have a cargreen

Question 51

(6-20) What would display if the following pseudocode is coded and executed?

Declare String str1= “car”
Declare String str2= “green”
Set message = append(str1,str2)
Display “You have a”, message

A) You have a greencar
B) You have a green car
C) you have a cargreen

Answer 51

C) you have a cargreen
append means to squish together

Question 52

(6) A ___________ is a module that returns a value back to the part of the program that called it.

Answer 52

function

Question 53

A function ___________ comprises one or more statements that are executed when the function is called

Answer 53

body

Question 54

What is the data type of the value returned by the random function?

A) Real
B) String
C) Integer

Answer 54

C) Integer

Question 55

(6) The ___________ function does the same thing as using the mathematical ^ operator.

Answer 55

“pow” function

Question 56

(6-25) Which of the following errors will occur when attempting to assign a real value to an integer variable?

A) conversion error
B) type mismatch error
C) assignment error

Answer 56

B) type mismatch error

Question 57

(6) What would display if the following pseudocode was coded and executed?

Declare String user = “Joey”
If isInteger(user) Then
Set IntUser= stringTointeger(user)
Display IntUser
Else
Display “Not a valid number”

Answer 57

Not a valid number

Question 58

What would display if the following pseudocode was coded and executed?

Declare String grade = “93”
If isInteger(grade) Then
Set intGrade =stringToInteger(grade)
Display intGrade
Else
Display “Not a valid number”

A) 100
B) 93
C) Not a valid number

Answer 58

B) 93

Question 59

(6) What would display if the following pseudocode was coded and executed

Declare String user = “Martha and George”
Declare Integer number
Set number = legnth(user)
Display number

A) 17

B) 15

C) Martha and George

Answer 59

A) 17

Question 60

What would display if the following pseudocode was coded and executed?

Declare String user = “Martha and George”
Display substring (user, 1,3)

Answer 60

Art
bc count the characters starting from 0
the substring to be displayed are chars 1,2,3
A=1 R=2 T=3

Question 61

(6-30) What would be the value of numS if the following pseudocode was coded and run?

Declare String prose = “She sells seashells at the seashore”
Declare Integer counter
Declare Integer numS = 0
For counter = 0 to legnth(prose)
If substring(prose, counter, counter) == “s” Then
Set numS = numS +1
End If
End For

A) 6
B) 8
C) 30

Answer 61

A) 6
bc prose has 5 chars + 1
is 6

Question 62

(8-1)Subscripts are used to identify specific elements in an array.(T/F)

Answer 62

True

Question 63

(8) Unlike variables, arrays need to be initialized separately from the declaration. (T/F)

Answer 63

False

Question 64

(8) Array bounds checking happens at runtime. (T/F)

Answer 64

True

Question 65

(8)The first step when calculating the average of all values in an array is to get the sum of all the values (T/F)

Answer 65

True

Question 66

(8-5) If an array, names consists of a list of usernames, then names[1] holds the value of the first username in the list.(T/F)

Answer 66

False
name[0] holds the first name in the list.

Question 67

(8) Each element in a two dimensional array has two subscripts. (T/F)

Answer 67

True

Question 68

(8) To calculate the total of the values in an array, a loop is used with an accumulator variable.(T/F)

Answer 68

True

Question 69

An array, like a variable, can hold only one value.(T/F)

Answer 69

False

Question 70

(8)It is usually much easier to process a large number of items in an array than to process a large number of items that are stored in separate variables. (T/F)

Answer 70

True

Question 71

(8-10) The number of elements in an array is the value of the subscript of the last element in that array.(T/F)

Answer 71

False

Question 72

(8) One drawback to the sequential search is that it cannot be used with an array that contains string elements.(T/F)

Answer 72

False

Question 73

(8)The term “parallel array” is a synonym for a two-dimensional array.(T/F)

Answer 73

False

Question 74

(8) An individual element in an array is identified by its ____________.

Answer 74

subscript

Question 75

(8) A type of loop that exists in some programming languages specifically for stepping through an array and retreiving the value of each element is known as a ___________ loop.

A) Step
B) For Each
C) While Each

Answer 75

B) For Each

Question 76

(8-15)
____________ arrays are two or more arrays that hold related date where each element of one array has the same subscript as a corresponding element in the other arrays.

Answer 76

paralell arrays

Question 77

(8) Two-dimensional arrays can be thought as containing ____________.

Answer 77

rows and columns

Question 78

(8) Every element in an array is assigned a unique number known as a(n) __________.

Answer 78

subscript

Question 79

(8) What is the term used for the number inside the brackets of an array that specifies how many values the array can hold?

Answer 79

size declarator

Question 80

(8)When working with arrays, most programming languages perform ____________ to ensure that programs don’t use invalid subscripts.

Answer 80

array bounds checking

Question 81

(8-20) What type of error occurs when a loop through an array iterates one time to few or one time too many?

A) runtime error
B) off-by-one error
C) validation error

Answer 81

B) off-by-one error

Question 82

(8-21) How many subscripts do you need to access one element in a two-dimensional array?

Answer 82

Two

Question 83

(8) In the following declaration, what is the data type of the elements in the array?

Declare Integer numbers[SIZE]

Answer 83

Integer

Question 84

(8-23) Which of the following statements is true about this array declaration??

Declare Integer numbers[5] = 123,456,789,321,654

A) This is an error; there should be 6 integers in the array
B) This is an array declaration and initialization
C) None of these statements are true

Answer 84

B) This is an array declaration and initialization

Question 85

Given the following statement, what is the subscript for the data value 92?

Declare Integer numbers[5] = 83,92,78,94,61

Answer 85

1 is the subscript

Question 86

(8-25) Which of the following array declarations would be best suited for storing prices of items sold in a store?

A) Declare Integer itemPrice[SIZE]

B) Declare Real itemPrice[SIZE]

C) Declare String itemPrice[SIZE]

Answer 86

B) Declare Real itemPrice[SIZE]

Question 87

(8) What would display if following statements are coded and executed?

Declare Integer scores[3]= 76,94,83
Declare String names[3]= “Joe”,”Amy”,”Pat”
Display names[1]
Display “Your test score is: “
Display scores[2]

A) Joe Your test score is: 94

B) Amy your test score is: 94

C) Amy your test score is: 83

Answer 87

C) Amy your test score is: 83

Question 88

(8-27) Which is the correct way to pass an array named studentScores that holds 25 values to a function named getAverage and save the result to a variable named average?

A) Set average=getAverage (studentScores, 25)

B) Set getAverage = average(studentScores[25])

C) Set average = getAverage(studentScores)

Answer 88

A) Set average = getAverage(studentScores,25)

Question 89

(6-1) Library functions are built into a programming language and can be called whenever they are needed(T/F)

Answer 89

True

Question 89

(6)The input column in an IPO chart describes the process that the function performs on input data.(T/F)

Answer 89

False

Question 89

(6) If the string variable name has the value “Anne Marie”, then the following statement would return 9:(T/F)

Set number = legnth(name)

Answer 89

False

Question 89

(6) If the string variable name has the value “Anne.Smith”, then the following statement would return annesmith. (T/F)

Set newName = toLower(name)

Answer 89

False

Question 89

(6-10) If the integer variable number has the value 5, then the following statement would return 25 to result. (T/F)

Set result = sqrt(number)

Answer 89

False: sqrt(5) is not 25

Question 89

(6-5) The function body follows the function header in a function definition.(T/F)

Answer 89

True

Question 89

(6) Random numbers are useful in simulation programs where the computer must randomly decide how an object will behave.(T/F)

Answer 89

True

Question 89

(6) What is the value of r after the following statement is coded and executed?

Declare integer i = 12
Declare Real r
Set r = toReal(i)

A)12
B)1.2
C)12.0

Answer 89

C) 12.0

Question 89

(6)Many programming languages let you assign an integer value to a real variable without causing an error(T/F)

Answer 89

True

Question 89

Given an integer variable number, the only possible values for number that could result from the following statement are 1 and 2. (T/F)

Set number = random(0,2)

Answer 89

False

Question 89

(6)Which function accepts two strings as arguments and returns True if the second string is contained in the first string or FALSE if not?

Answer 89

contains

Question 89

(6)The TO INTEGER function accepts a real number as its argument and preserves any fractional part in the returned number(T/F)

Answer 89

False

Question 89

(6)A function ___________ specifies the return data type, name of the function and the parameter variable(s).

Answer 89

header

Question 89

(6-15) Which function returns a string that is within another string?

Answer 89

substring

Question 89

(6) When a function finishes executing, it returns a value back to the part of the program that called it.(T/F)

Answer 89

True

Question 89

(6) Which function joins two strings?

Answer 89

concatenate

Question 89

A function ___________ comprises one or more statements that are executed when the function is called

Answer 89

body

Question 89

(6) What is the value of y after the following statement is coded and executed, given that x = 25?

Set y = sqrt(x)

Answer 89

5

Question 89

(6)What is the data type of the value returned by the random function?

A) Real
B) String
C) Integer

Answer 89

C) Integer

Question 89

(6) What is the value of y after the following statement is coded and executed, given that x = 3?

Set y = pow(x,x)

Answer 89

27
bc (3^3)= 333= 9*3=27

Question 90

(6) A ___________ is a module that returns a value back to the part of the program that called it.

Answer 90

function

Question 90

(6) The ___________ function does the same thing as using the mathematical ^ operator.

Answer 90

“pow” function

Question 90

(6-20) What would display if the following pseudocode is coded and executed?

Declare String str1= “car”
Declare String str2= “green”
Set message = append(str1,str2)
Display “You have a”, message

A) You have a greencar
B) You have a green car
C) you have a cargreen

Answer 90

C) you have a cargreen
append means to squish together

Question 90

(6-12) The following pseudocode would display: Hello,friend.(T/F)

Declare String str1= “Hello,”
Declare String str2= “friend”
Set message = append(str1,str2)
Display Message

Answer 90

True

Question 90

(6-30) What would be the value of numS if the following pseudocode was coded and run?

Declare String prose = “she sells seashells at the seashore”
Declare Integer counter
Declare Integer numS = 0
For counter = 0 to legnth(prose)
If substring(prose, counter, counter)== “s” Then
Set numS = numS +1
End If
End For

A) 6
B) 8
C) 30

Answer 90

A) 6
bc program is looped to run 6 times (0-legnth of prose which is 5 chars +1 from 0)
Therefore when it counts 6 s even if its not done the prose the program will end.

Question 90

(6-25) Which of the following errors will occur when attempting to assign a real value to an integer variable?

A) conversion error
B) type mismatch error
C) assignment error

Answer 90

B) type mismatch error

Question 90

(6) What would display if the following pseudocode was coded and executed?

Declare String user = “Martha and George”
Display substring (user, 1,3)

Answer 90

Art
bc count the characters starting from 0
the substring to be displayed are chars 1,2,3
A=1 R=2 T=3

Question 90

(6) What would display if the following pseudocode was coded and executed?

Declare String user = “Joey”
If isInteger(user) Then
Set IntUser= stringTointeger(user)
Display IntUser
Else
Display “Not a valid number”

Answer 90

Not a valid number

Question 90

(6) What would display if the following pseudocode was coded and executed?

Declare String grade = “93”
If isInteger(grade) Then
Set intGrade =stringToInteger(grade)
Display intGrade
Else
Display “Not a valid number”

A) 100
B) 93
C) Not a valid number

Answer 90

B) 93

Question 91

(6) What would display if the following pseudocode was coded and executed

Declare String user = “Martha and George”
Declare Integer number
Set number = legnth(user)
Display number

A) 17

B) 15

C) Martha and George

Answer 91

A) 17
counting the characters including the spaces in the “Martha and George” string adds to 17

Question 91

(8-28) Given the following array declaration, what value is stored in testScores[2][0]
Declare Integer testScores[3][3]=
66, 77, 88
98, 87, 76
65, 74, 89

Answer 91

65
DOWN 3 (2. but starts at 0)
OVER 0

Question 92

(9-1) In current gaming software, it is rare for data files to be needed(T/F)

Answer 92

False

Question 93

(9) The data saved in a file will remain there after the program ends but will be erased when the computer is turned off.(T/F)

Answer 93

False

Question 94

(9) In a text file, all data is stored as a series of characters.(T/F)

Answer 94

True

Question 95

(9) All types of files can be viewed correctly in a simple text editor. (T/F)

Answer 95

False

Question 96

(9-5) Sequential access files are easy to work with because you can immediately jump to any piece of data without reading all the data before it.(T/F)

Answer 96

False

Question 97

(9) The use of a buffer increases the system’s performance because writing data to memory is faster than writing data to a disk.(T/F)

Answer 97

True

Question 98

(9) When an input file is opened, the read position is initially set to the first item in the file.(T/F)

Answer 98

True

Question 99

(9) The term “output file” describes a file that data is read from. (T/F)

Answer 99

False

Question 100

(9) In a file a record is a complete set of data about an item and a field is an individual piece of data within a record.(T/F)

Answer 100

True

Question 101

(9-10) It is possible to manipulate data in a file directly without saving its contents to an array or anywhere else in a program.(T/F)

Answer 101

False

Question 102

(9) A file specification document describes the fields that are used in a file and is used to help programmers understand how the data is organized before they begin writing programs to manipulate that data.(T/F)

Answer 102

True

Question 103

(9) Control break logic is used when the programmer wants a program to terminate immediately.(T/F)

Answer 103

False

Question 104

(9) Programmers usually refer to the process of saving to a file as ____________ to a file.

Answer 104

writing

Question 105

(9) When a web page is visited, the browser may store a small file on the user’s computer. This file is known as a _____________.

Answer 105

cookie

Question 106

Opening a(n) ___________ file creates a file on disk and allows the program to write data to it

Answer 106

output

Question 107

(9) A character or set of characters that marks the end of a piece of data is known as a(n)

Answer 107

delimiter

Question 108

(9-17) In the ______________ step, the data is either written to the file or read from the file.

Answer 108

Processing

Question 109

(9-18) Which type of file cannot be viewed in a text editor such a Notepad?

Answer 109

Binary file

Question 110

(9) When using ___________ access, access to the data starts at the beginning of the file and the proceeds through all the records to the end of the file.

Answer 110

Sequential

Question 111

(9-20) When using ___________ access, the code can access any piece of data without reading all the data that came before it in the file.

Answer 111

Direct

Question 112

(9) In the pseudocode of the textbook, what does the following statement indicate?

Declare OutputFile itemsOrdered

A) itemsOrdered is the internal name used to work with the contents of a file

B) itemsOrdered is a file on disk and the program will read data from it

D) None of these statements are true

Answer 112

A) itemsOrdered is the internal name used to work with the contents of a file

Question 113

(9) In the pseudocode of the textbook, what does the following statement indicate?

Write itemsOrdered “widgets”

A) The file named itemsOrdered will be renamed widgets

B) The string “widgets” will be written to the file associated with itemsOrdered

C) itemsOrdered is a file on disk and the program will write the string “widgets” to it

Answer 113

B) The string “widgets” will be written to the file associated with itemsOrdered

Question 114

(9) In order to process the data in a file, first you must ____________ the file and then ____________ the data into memory.

A) Input, Write

B) Open, loop

C) Open, Read

Answer 114

C) Open, Read

Question 115

(9) The eof function _______________.

A) Accepts a file’s internal name as an argument and returns TRUE if the end of the file has been reached.

B) Accepts a file’s internal name as an argument and returns FALSE if the end of the file has been reached.

Answer 115

A) Accepts a file’s internal name as an argument and returns TRUE if the end of the file has been reached

Question 116

(9-25) Given the following pseudocode, what is the name of the file on the disk?

Declare String item
Declare Integer numOrdered
Declare InputFile stuffBought
Open stuffBought “inventory.dat”
Display “Your orders:”
While NOT eof(stuffBought)
Read stuffBought item, numOrdered
Display item, “: “, numOrdered
End While
Close stuffBought

A) stuffBought
B) inventory.dat

Answer 116

B) inventory.dat

Question 117

(9) Given the following pseudocode, what is the internal name used to work with the file on disk?

Declare String item
Declare Integer numOrdered
Declare InputFile stuffBought
Open stuffBought “inventory.dat”
Display “Your orders:”
While NOT eof(stuffBought)
Read stuffBought item, numOrdered
Display item, “: “, numOrdered
End While
Close stuffBought

A) stuffBought
B) inventory.dat

Answer 117

A) stuffBought

Question 118

(6-5) The function body follows the function header in a function definition.(T/F)

Answer 118

True

Question 118

(6)Many programming languages let you assign an integer value to a real variable without causing an error(T/F)

Answer 118

True

Question 118

(6) If the string variable name has the value “Anne.Smith”, then the following statement would return annesmith. (T/F)

Set newName = toLower(name)

Answer 118

False

Question 118

(6)The input column in an IPO chart describes the process that the function performs on input data.(T/F)

Answer 118

False

Question 118

(6)The TO INTEGER function accepts a real number as its argument and preserves any fractional part in the returned number(T/F)

Answer 118

False

Question 118

Given an integer variable number, the only possible values for number that could result from the following statement are 1 and 2. (T/F)

Set number = random(0,2)

Answer 118

False

Question 118

(6-12) The following pseudocode would display: Hello,friend.(T/F)

Declare String str1= “Hello,”
Declare String str2= “friend”
Set message = append(str1,str2)
Display Message

Answer 118

True

Question 118

(6) What is the value of y after the following statement is coded and executed, given that x = 3?

Set y = pow(x,x)

Answer 118

27
bc (3^3)= 333= 9*3=27

Question 118

(6-20) What would display if the following pseudocode is coded and executed?

Declare String str1= “car”
Declare String str2= “green”
Set message = append(str1,str2)
Display “You have a”, message

A) You have a greencar
B) You have a green car
C) you have a cargreen

Answer 118

C) you have a cargreen
append means to squish together

Question 118

(6) When a function finishes executing, it returns a value back to the part of the program that called it.(T/F)

Answer 118

True

Question 118

(6-10) If the integer variable number has the value 5, then the following statement would return 25 to result. (T/F)

Set result = sqrt(number)

Answer 118

False: sqrt(5) is not 25

Question 118

(6-1) Library functions are built into a programming language and can be called whenever they are needed(T/F)

Answer 118

True

Question 118

(6) A ___________ is a module that returns a value back to the part of the program that called it.

Answer 118

function

Question 118

(6) What would display if the following pseudocode was coded and executed

Declare String user = “Martha and George”
Declare Integer number
Set number = legnth(user)
Display number

A) 17

B) 15

C) Martha and George

Answer 118

A) 17
counting the characters including the spaces in the “Martha and George” string adds to 17

Question 118

(6) Random numbers are useful in simulation programs where the computer must randomly decide how an object will behave.(T/F)

Answer 118

True

Question 119

(6)What is the data type of the value returned by the random function?

A) Real
B) String
C) Integer

Answer 119

C) Integer

Question 119

(6) If the string variable name has the value “Anne Marie”, then the following statement would return 9:(T/F)

Set number = legnth(name)

Answer 119

False

Question 119

(6-15) Which function returns a string that is within another string?

Answer 119

substring

Question 119

(6)A function ___________ specifies the return data type, name of the function and the parameter variable(s).

Answer 119

header

Question 119

(6) What would display if the following pseudocode was coded and executed?

Declare String user = “Martha and George”
Display substring (user, 1,3)

Answer 119

Art
bc count the characters starting from 0
the substring to be displayed are chars 1,2,3
A=1 R=2 T=3

Question 119

(6) What would display if the following pseudocode was coded and executed?

Declare String grade = “93”
If isInteger(grade) Then
Set intGrade =stringToInteger(grade)
Display intGrade
Else
Display “Not a valid number”

A) 100
B) 93
C) Not a valid number

Answer 119

B) 93

Question 119

(6)Which function accepts two strings as arguments and returns True if the second string is contained in the first string or FALSE if not?

Answer 119

contains

Question 119

(6) Which function joins two strings?

Answer 119

concatenate

Question 120

A function ___________ comprises one or more statements that are executed when the function is called

Answer 120

body

Question 120

(6) What is the value of r after the following statement is coded and executed?

Declare integer i = 12
Declare Real r
Set r = toReal(i)

A)12
B)1.2
C)12.0

Answer 120

C) 12.0

Question 120

(6) What is the value of y after the following statement is coded and executed, given that x = 25?

Set y = sqrt(x)

Answer 120

5

Question 120

(6) The ___________ function does the same thing as using the mathematical ^ operator.

Answer 120

“pow” function

Question 121

(6-25) Which of the following errors will occur when attempting to assign a real value to an integer variable?

A) conversion error
B) type mismatch error
C) assignment error

Answer 121

B) type mismatch error

Question 121

(6) What would display if the following pseudocode was coded and executed?

Declare String user = “Joey”
If isInteger(user) Then
Set IntUser= stringTointeger(user)
Display IntUser
Else
Display “Not a valid number”

Answer 121

Not a valid number

Question 121

(6-30) What would be the value of numS if the following pseudocode was coded and run?

Declare String prose = “she sells seashells at the seashore”
Declare Integer counter
Declare Integer numS = 0
For counter = 0 to legnth(prose)
If substring(prose, counter, counter)== “s” Then
Set numS = numS +1
End If
End For

A) 6
B) 8
C) 30

Answer 121

A) 6
bc program is looped to run 6 times (0-legnth of prose which is 5 chars +1 from 0)
Therefore when it counts 6 s even if its not done the prose the program will end.

Question 121

(9-27) Which of the following expressions is equivalent to the pseudocode shown here?

NOT eof(myStuff)

A) eof(myStuff) == False
B) eof(myStuff) == True
C) not eof == myStuff

Answer 121

A) eof(myStuff) == False

Question 122

(6-1) Library functions are built into a programming language and can be called whenever they are needed(T/F)

Answer 122

True

Question 122

(6) Random numbers are useful in simulation programs where the computer must randomly decide how an object will behave.(T/F)

Answer 122

True

Question 123

(6)The input column in an IPO chart describes the process that the function performs on input data.(T/F)

Answer 123

False

Question 123

(6)Many programming languages let you assign an integer value to a real variable without causing an error(T/F)

Answer 123

True

Question 123

(6) When a function finishes executing, it returns a value back to the part of the program that called it.(T/F)

Answer 123

True

Question 123

(6-5) The function body follows the function header in a function definition.(T/F)

Answer 123

True

Question 123

(6)A function ___________ specifies the return data type, name of the function and the parameter variable(s).

Answer 123

header

Question 123

(6-10) If the integer variable number has the value 5, then the following statement would return 25 to result. (T/F)

Set result = sqrt(number)

Answer 123

False: sqrt(5) is not 25

Question 123

Given an integer variable number, the only possible values for number that could result from the following statement are 1 and 2. (T/F)

Set number = random(0,2)

Answer 123

False

Question 123

(6) If the string variable name has the value “Anne Marie”, then the following statement would return 9:(T/F)

Set number = legnth(name)

Answer 123

False

Question 123

(6)The TO INTEGER function accepts a real number as its argument and preserves any fractional part in the returned number(T/F)

Answer 123

False

Question 123

(6) What is the value of y after the following statement is coded and executed, given that x = 3?

Set y = pow(x,x)

Answer 123

27
bc (3^3)= 333= 9*3=27

Question 123

(6) If the string variable name has the value “Anne.Smith”, then the following statement would return annesmith. (T/F)

Set newName = toLower(name)

Answer 123

False

Question 123

(6) A ___________ is a module that returns a value back to the part of the program that called it.

Answer 123

function

Question 123

A function ___________ comprises one or more statements that are executed when the function is called

Answer 123

body

Question 123

(6) Which function joins two strings?

Answer 123

concatenate

Question 123

(6)Which function accepts two strings as arguments and returns True if the second string is contained in the first string or FALSE if not?

Answer 123

contains

Question 123

(6-20) What would display if the following pseudocode is coded and executed?

Declare String str1= “car”
Declare String str2= “green”
Set message = append(str1,str2)
Display “You have a”, message

A) You have a greencar
B) You have a green car
C) you have a cargreen

Answer 123

C) you have a cargreen
append means to squish together

Question 123

(6)What is the data type of the value returned by the random function?

A) Real
B) String
C) Integer

Answer 123

C) Integer

Question 124

(6) What is the value of r after the following statement is coded and executed?

Declare integer i = 12
Declare Real r
Set r = toReal(i)

A)12
B)1.2
C)12.0

Answer 124

C) 12.0

Question 124

(6-15) Which function returns a string that is within another string?

Answer 124

substring

Question 124

(6) What is the value of y after the following statement is coded and executed, given that x = 25?

Set y = sqrt(x)

Answer 124

5

Question 124

(6-12) The following pseudocode would display: Hello,friend.(T/F)

Declare String str1= “Hello,”
Declare String str2= “friend”
Set message = append(str1,str2)
Display Message

Answer 124

True

Question 124

(6) What would display if the following pseudocode was coded and executed?

Declare String user = “Martha and George”
Display substring (user, 1,3)

Answer 124

Art
bc count the characters starting from 0
the substring to be displayed are chars 1,2,3
A=1 R=2 T=3

Question 124

(6) What would display if the following pseudocode was coded and executed?

Declare String grade = “93”
If isInteger(grade) Then
Set intGrade =stringToInteger(grade)
Display intGrade
Else
Display “Not a valid number”

A) 100
B) 93
C) Not a valid number

Answer 124

B) 93

Question 124

(6) What would display if the following pseudocode was coded and executed?

Declare String user = “Joey”
If isInteger(user) Then
Set IntUser= stringTointeger(user)
Display IntUser
Else
Display “Not a valid number”

Answer 124

Not a valid number

Question 124

(6) The ___________ function does the same thing as using the mathematical ^ operator.

Answer 124

“pow” function

Question 124

(6) What would display if the following pseudocode was coded and executed

Declare String user = “Martha and George”
Declare Integer number
Set number = legnth(user)
Display number

A) 17

B) 15

C) Martha and George

Answer 124

A) 17
counting the characters including the spaces in the “Martha and George” string adds to 17

Question 124

(6-25) Which of the following errors will occur when attempting to assign a real value to an integer variable?

A) conversion error
B) type mismatch error
C) assignment error

Answer 124

B) type mismatch error

Question 125

(6-30) What would be the value of numS if the following pseudocode was coded and run?

Declare String prose = “she sells seashells at the seashore”
Declare Integer counter
Declare Integer numS = 0
For counter = 0 to legnth(prose)
If substring(prose, counter, counter)== “s” Then
Set numS = numS +1
End If
End For

A) 6
B) 8
C) 30

Answer 125

A) 6
bc program is looped to run 6 times (0-legnth of prose which is 5 chars +1 from 0)
Therefore when it counts 6 s even if its not done the prose the program will end.

Question 125

(10-1) The act of declaring a class variable does not actually create an object in memory. (T/F)

Answer 125

True

Question 126

(10-2) If a constructor is not written when the class is compiled, then a constructor is automatically provided and is known as the ‘default constructor’. (T/F)

Answer 126

True

Question 127

(10) Entities do not have direct acess to the object’s private methods.(T/F)

Answer 127

True

Question 128

(10) In an inheritance relationship, the superclass inherits members from the subclass.(T/F)

Answer 128

False

Question 129

(10-5) There are primarily three methods of programming in use today: procedural recursive, and object oriented.(T/F)

Answer 129

False

Question 130

(10) UML (Unified Modeling Language) is another name for a flowchart that uses classes.(T/F)

Answer 130

False

Question 131

(10) A constructor is a member of a class that holds data.(T/F)

Answer 131

False

Question 132

(10) ____________ programming is centered on the procedures of actions that take place in a program.

Answer 132

procedural

Question 133

(10) ___________ programming encapsulates data and functions in an object.

Answer 133

object-oriented programming

Question 134

(10-10) A(n) __________ entity contains both data and procedures.

Answer 134

object

Question 135

(10) The variables, arrays, or other data structures that are stored in an object are known as the object’s _____________.

Answer 135

fields

Question 136

(10) The procedures that an object performs are known as the object’s _____________.

Answer 136

methods

Question 137

(10) In the pseudocode of the textbook, a class ____________ starts with the word Class, followed by the name of the class.

Answer 137

definition

Question 138

(10) The fields and methods that belong in a class are known as the class’s _____________.

Answer 138

members

Question 139

(10-15) In a class definition, if the word Private appears before a field declaration, Private is known as a(n) _________________.

Answer 139

access specifer

Question 140

(10-16) Mutator methods are sometimes called ___________.

Answer 140

Setters

Question 141

(10) Another name for accessor methods is _____________.

Answer 141

Getters

Question 142

(10) The ability to create methods with the same name that are in different classes is known as ______________.

Answer 142

polymorphism

Question 143

(10) A(n) __________ is a standard way to draw diagrams that describe object-oriented systems.

Answer 143

UML diagram

Question 144

(10-20) In a UML diagram the ____________ character placed in front of a field or method name, indicates that it is Public.

A) -
B) =
C) +

Answer 144

C) +

Question 145

The ____________ method is automatically called when an object is created.

Answer 145

constructor

Question 146

(6-1) Library functions are built into a programming language and can be called whenever they are needed(T/F)

Answer 146

True

Question 146

(6) If the string variable name has the value “Anne Marie”, then the following statement would return 9:(T/F)

Set number = legnth(name)

Answer 146

False

Question 146

(6)Many programming languages let you assign an integer value to a real variable without causing an error(T/F)

Answer 146

True

Question 146

(6)The TO INTEGER function accepts a real number as its argument and preserves any fractional part in the returned number(T/F)

Answer 146

False

Question 146

(6) When a function finishes executing, it returns a value back to the part of the program that called it.(T/F)

Answer 146

True

Question 146

Given an integer variable number, the only possible values for number that could result from the following statement are 1 and 2. (T/F)

Set number = random(0,2)

Answer 146

False

Question 146

(6-5) The function body follows the function header in a function definition.(T/F)

Answer 146

True

Question 146

(6)The input column in an IPO chart describes the process that the function performs on input data.(T/F)

Answer 146

False

Question 146

(6) What is the value of y after the following statement is coded and executed, given that x = 25?

Set y = sqrt(x)

Answer 146

5

Question 146

(6-12) The following pseudocode would display: Hello,friend.(T/F)

Declare String str1= “Hello,”
Declare String str2= “friend”
Set message = append(str1,str2)
Display Message

Answer 146

True

Question 146

(6) What would display if the following pseudocode was coded and executed

Declare String user = “Martha and George”
Declare Integer number
Set number = legnth(user)
Display number

A) 17

B) 15

C) Martha and George

Answer 146

A) 17
counting the characters including the spaces in the “Martha and George” string adds to 17

Question 146

(6)A function ___________ specifies the return data type, name of the function and the parameter variable(s).

Answer 146

header

Question 146

(6) What is the value of y after the following statement is coded and executed, given that x = 3?

Set y = pow(x,x)

Answer 146

27
bc (3^3)= 333= 9*3=27

Question 146

(6) What is the value of r after the following statement is coded and executed?

Declare integer i = 12
Declare Real r
Set r = toReal(i)

A)12
B)1.2
C)12.0

Answer 146

C) 12.0

Question 146

(6-20) What would display if the following pseudocode is coded and executed?

Declare String str1= “car”
Declare String str2= “green”
Set message = append(str1,str2)
Display “You have a”, message

A) You have a greencar
B) You have a green car
C) you have a cargreen

Answer 146

C) you have a cargreen
append means to squish together

Question 146

(6)What is the data type of the value returned by the random function?

A) Real
B) String
C) Integer

Answer 146

C) Integer

Question 146

(6) What would display if the following pseudocode was coded and executed?

Declare String user = “Martha and George”
Display substring (user, 1,3)

Answer 146

Art
bc count the characters starting from 0
the substring to be displayed are chars 1,2,3
A=1 R=2 T=3

Question 146

(6)Which function accepts two strings as arguments and returns True if the second string is contained in the first string or FALSE if not?

Answer 146

contains

Question 146

(6) Which function joins two strings?

Answer 146

concatenate

Question 147

(6-15) Which function returns a string that is within another string?

Answer 147

substring

Question 147

(6) What would display if the following pseudocode was coded and executed?

Declare String user = “Joey”
If isInteger(user) Then
Set IntUser= stringTointeger(user)
Display IntUser
Else
Display “Not a valid number”

Answer 147

Not a valid number

Question 147

(6) The ___________ function does the same thing as using the mathematical ^ operator.

Answer 147

“pow” function

Question 147

(6) If the string variable name has the value “Anne.Smith”, then the following statement would return annesmith. (T/F)

Set newName = toLower(name)

Answer 147

False

Question 147

(6) A ___________ is a module that returns a value back to the part of the program that called it.

Answer 147

function

Question 147

A function ___________ comprises one or more statements that are executed when the function is called

Answer 147

body

Question 148

(6-25) Which of the following errors will occur when attempting to assign a real value to an integer variable?

A) conversion error
B) type mismatch error
C) assignment error

Answer 148

B) type mismatch error

Question 148

(6-30) What would be the value of numS if the following pseudocode was coded and run?

Declare String prose = “she sells seashells at the seashore”
Declare Integer counter
Declare Integer numS = 0
For counter = 0 to legnth(prose)
If substring(prose, counter, counter)== “s” Then
Set numS = numS +1
End If
End For

A) 6
B) 8
C) 30

Answer 148

A) 6
bc program is looped to run 6 times (0-legnth of prose which is 5 chars +1 from 0)
Therefore when it counts 6 s even if its not done the prose the program will end.

Question 149

(6) Random numbers are useful in simulation programs where the computer must randomly decide how an object will behave.(T/F)

Answer 149

True

Question 149

(6-10) If the integer variable number has the value 5, then the following statement would return 25 to result. (T/F)

Set result = sqrt(number)

Answer 149

False: sqrt(5) is not 25

Question 149

(6) What would display if the following pseudocode was coded and executed?

Declare String grade = “93”
If isInteger(grade) Then
Set intGrade =stringToInteger(grade)
Display intGrade
Else
Display “Not a valid number”

A) 100
B) 93
C) Not a valid number

Answer 149

B) 93

Question 149

(10-22) Given a class named Animals and a class variable named ducky which will reference an Animals object, which the correct way, using the textbook’s pseudocode, to create an Animal’s object?

A) Set ducky = New Animals( )
B) Set ducky = Animals( )
C) Set Animals = New ducky( )

Answer 149

A) Set ducky = New Animals( )