Computer Science

Question 1

Which should be done first when writing a large computer program?

Answer 1

analyze and breakdown the project specifications

Question 2

What is the definition of an algorithm? (Choose two)

Answer 2

D.

steps to solve a problem

Question 3

Which of the following expressions is true?

Answer 3

5<6 and 5>2

Question 4

A good name for a text box that will be used to show an address is:

Answer 4

txtAddress

Question 5

When class variables are private they can be accessed by:

Answer 5

only methods and functions within the class

Question 6

The __________ tool is the one we would use to perform an immediate action.

Answer 6

button

Question 7

Click once on an object to select it, but click twice to enter the code for that object. (T/F)

Answer 7

True

Question 8

What is the result of the following equation? 11 % 3

Answer 8

2

Question 9

Which data type would store a value of true or false?

Answer 9

Boolean

Question 10

Why would you use a sub-program also known as a method or function?

Answer 10

to reuse the same code

Question 11

Which of the following would LEAST likely be found in a software developer’s job description?

Answer 11

Install cables

Question 12

Which of the following stores a value that cannot be changed?

Answer 12

constant

Question 13

Which of the following expression has the possibility of never iterating (looping)?

Answer 13

while

for

Question 14

Which of the following is a post test loop?

Answer 14

do - while

Question 15

A sub-program (function or method) is called by its __________.

Answer 15

Name

Question 16

A byte is:

Answer 16

8 bits

Question 17

An error that causes incorrect output is a:

Answer 17

run-time error

Question 18

Which of the following is a pre-test loop?

Answer 18

while

Question 19

A(n) __________ is a value that can be referenced only in the sub-program where it is declared.

Answer 19

local variable

Question 20

How many bytes does it take to make a single character?

Answer 20

1

Question 21

What is coding?

Answer 21

typing a program in a computer language

Question 22

An error caused by misspelling of a keyword is a:

Answer 22

syntax error

Question 23

Which of the following is a valid assignment statement?

Answer 23

answer = 5

Question 24

Sub-Programs also called methods, constants, and variables are:

Answer 24

Identifiers

Question 25

Convert this binary number 0010 0101, to decimal, base 10?

Answer 25

37

Question 26

Program requirements are defined in:

Answer 26

specifications

Question 27

The process of converting source code into machine code is:

Answer 27

compiling

Question 28

What is the output of the segment of code below?
(.3 points)

Extra Content
int iNum = 10;
iNum - iNum *2;
Console.WriteLine(“num =” + (iNum));

Answer 28

num = -10

Question 29

What is a Loop within a Loop or an If within an I

Answer 29

Nested

Question 30

Fixing an error in a program is known as:

Answer 30

debugging

Question 31

Which of the following is NOT a career field in computer programming/software design?

Answer 31

Network Administrator

Question 32

Which data type could store a value with decimal places?

Answer 32

double

Question 33

Which is the assignment operator?

Answer 33

=

Question 34

Designing a computer program from general to specific is called:

Answer 34

top down design

Question 35

Which of the following is a valid identifier name (variable)? (Choose two)

Answer 35

A.
a1

D.
milesDriven1

Question 36

What is the result of 13 divided by 5 using integer division?

Answer 36

2

Question 37

Which expression is false?

Answer 37

5<2 or 5>=8

Question 38

Changing the background color of the form is an example of a(n):

Answer 38

Property

Question 39

What is the fundamental number-system used by computers to store information?

Answer 39

Binary (base 2)

Question 40

What is the code to exit your Windows Form Application?

Answer 40

this.Close();