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Power Point And U Certify > Chapt 6 > Flashcards

Chapt 6 Flashcards

1
Q

binary numbers can have the values of _____ or ______

A

0 or 1

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2
Q

hexadecimal uses what numbers and letters?

A

0-9 and A-F

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3
Q

what is the data notational system that contains only English letters, numbers and symbols?

A

ASCII

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4
Q

if you need a notational system that has non-english letters, what do you need to use?

A

unicode

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5
Q

which data type represents a single letter or number?

A

char

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6
Q

which data type represents several letters or numbers?

A

string

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7
Q

which data type indicates a number with no decimal places?

A

integer

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8
Q

which data type indicates a number with decimal places?

A

float

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9
Q

a boolean data type represents which two values?

A

true or false

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10
Q

name three types of interpreted languages

A

scripted, scripting, markup

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11
Q

what are two examples of markup languages?

A

html, xml

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12
Q

what type of high level language is read line by line every time it’s executed?

A

interpreted

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13
Q

which programming language category is used to write scripts?

A

scripting

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14
Q

programming languages that are converted a single time into low-level code are called what?

A

compiled languages

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15
Q

what type of programming language is designed to pull data from a database?

A

query

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16
Q

what is the low level programming language best suited for direct hardware access?

A

assembly

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17
Q

code that is for people to read and does not affect a program is called what?

A

comments or pseudo code

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18
Q

to map out a program, you would use a(n) ___________?

A

flow chart

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19
Q

which programming logic component uses if and else if statements?

A

branching

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20
Q

which program logic component uses while statements?

A

looping

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21
Q

in programming, what are the two types of data identifiers?

A

variables and constants

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22
Q

which type of programming data identifier does not change?

A

constant

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23
Q

which type of programming data identifier can change?

A

variable

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24
Q

what are the two types of data containers in programming?

A

arrays and vectors

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25
Q

which type of data container is fixed in length?

A

array

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26
Q

which type of data container can hold only one data type at a time?

A

array

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27
Q

which type of data container can have dynamically adjusted length?

A

vector

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28
Q

which type of data container can store multiple data types at once?

A

vector

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29
Q

which two programming concepts are used to break code into smaller, reusable chunks?

A

function and methods

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30
Q

the three characteristics of an object in programming are what?

A

properties, attributes and methods

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31
Q

what are some examples of object-oriented programming languages?

A

c++, python, c#, java, php, perl, ruby

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32
Q

flowcharts depict which one of the following?

objects, programs, identifiers, functions

33
Q

interpret the following logic. for data input on someone who is 20yrs old, which category will they fall into?

if age<13, then category “child”
else if age<20, then category “teen”
else if age<65, then category “adult”
else category “senior”

teen, child, senior, adult

34
Q

a cop has recieved data indicating there are 10 current threats to public safety. what should the threat level be?

if threats < 3, then level “green”
else if threats < 6, then level “yellow”
else if threats < 9, then level “orange”
else if threats < 12, then level “red”
else level “emergency”

orange, red, yellow, green, emergency

35
Q

which of the following is an example of a markup language?

java, python, XML, SQL

36
Q

which of the following are examples of interpreted languages? choose two:

compiled, markup, scripted, query

A

markup and scripted

37
Q

a program shows the number 11010.11 which data type is this?

float, integer, boolean, binary

38
Q

you want to understand the sequence of a program, from start to finish. which of the following is best to use for this purpose?

object, pseudocode, function, flowchart

39
Q

a programmer is writing a program that needs to accept an input of someone’s name. what type of variable should the programmer create?

char, string, float, unicode

40
Q

you have created an array that can hold 15 items, all of the integer data type. you want to add a 16th integer. which of the following is best to approach doing this?

a) add it to the existing array
b) create a vector and replace the array with it.
c) convert the integers to floats and add the 16th integer
d) create a separate variable for the 16th integer

A

b) create a vector and replace the array with it.

41
Q

which of the following statements is true regarding arrays and vectors?

a) arrays can have multiple data types and are fixed in length. vectors have one data type and are dynamic in length.
b) arrays can have multiple data types and are dynamic in length. vectors have one data type and are fixed in length.
c) arrays contain one data type and are fixed in length. vectors can have multiple data types and are dynamic in length.
d) arrays contain one data type and are dynamic in length. vectors can have multiple data types and are fixed in length.

A

c) arrays contain one data type and are fixed in length. vectors can have multiple data types and are dynamic in length.

42
Q

what high level programming language is translated into machine code once and then executed many times?

compiled, scripted, scripting, markup

43
Q

which of the following are examples of object oriented programming languages? choose two:

python, C, SQL, java

A

java and python

44
Q

in object oriented programming, which of the following are integral parts of objects? choose two:

variables, attributes, properties, arrays

A

properties and attributes

45
Q

what type of programming language is designed to retrieve data from a database?

interpreted, assembly, query, compiled

46
Q

which of the following programming language types is the lowest-level language?

interpreted, assembly, query, compiled

47
Q

which of the following numbers is written in hexadecimal format? choose two:

3268, 18AF, 100101.11, 100101

A

3268, 18AF

48
Q

a programmer wants to write code that directly accesses the computer’s hardware. which is the best type of language for the programmer to use?

compiled, query, interpreted, assembly

49
Q

a developer needs to use a code designation for non-English letters. which notation system does the developer need to use?

international, unicode, ascii, strings

50
Q

looping logic makes use of which of the following statements?

loop, if, while, when

51
Q

which of the following terms describe concepts related to breaking code into smaller, repeatable sections? choose two:

variables, constants, methods, objects, functions

A

methods and functions

52
Q

needs a command interpreter to be built into the program

assembly, markup, scripted, compiled, interpreted, scripting

53
Q

reads the source code line by line and generates error if written incorrectly

assembly, markup, scripted, compiled, interpreted, scripting

A

interpreted

54
Q

allows the developer to provide instructions directly to the hardware

assembly, markup, scripted, compiled, interpreted, scripting

55
Q

translates the source code into machine code

assembly, markup, scripted, compiled, interpreted, scripting

56
Q

annotates text to tell how to process or manipulate the text

assembly, markup, scripted, compiled, interpreted, scripting

57
Q

executes a list of tasks and supports the use of objects, variables and functions

assembly, markup, scripted, compiled, interpreted, scripting

58
Q

convert 145 base 10 to binary

59
Q

convert 122 base 10 to octa base 8:

60
Q

convert 169 base 10 to hexadecimal:

61
Q

analyzing source code.
interpreter: faster, slower, lower, or easier
compiler: faster, slower, higher, or harder

A

interpreter: faster
compiler: slower

62
Q

executing code:
interpreter: faster, slower, lower, or easier
compiler: faster, slower, higher, or harder

A

interpreter: slower
compiler: faster

63
Q

using memory
interpreter: faster, slower, lower, or easier
compiler: faster, slower, higher, or harder

A

interpreter: lower
compiler: higher

64
Q

debugging
interpreter: faster, slower, lower, or easier
compiler: faster, slower, higher, or harder

A

interpreter: easier
compiler: harder

65
Q

var = ‘a’

data type: string, integer, char, float, boolean

66
Q

var = “a”

data type: string, integer, char, float, boolean

67
Q

a = 10; a = a+10;

data type: string, integer, char, float, boolean

68
Q

double sum; sum = 12.50;

data type: string, integer, char, float, boolean

69
Q

3 + 4 == 7

data type: string, integer, char, float, boolean

70
Q

(T/F) looping logic is circular rather than linear like branching logic

71
Q

(T/F) branching logic is good for complex logic comparisons

72
Q

(T/F) boolean output of the comparison is used to determine the path that the program takes

73
Q

(T/F) looping is useful for monitoring a state within a program

74
Q

(T/F) branching logic statements can be used across same data types

75
Q

a true or false condition, usually represented by 1 (true) or 0 (false)

string, char, integer, float, boolean

76
Q

any number with a decimal place

string, char, integer, float, boolean

77
Q

one character such as a UTF-16 or UTF-32 character

string, char, integer, float, boolean

78
Q

zero or more characters

string, char, integer, float, boolean

79
Q

whole number with no decimal point

string, char, integer, float, boolean

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