12th Class ICS Computer Science Chapter 12 Online MCQ Test for (Loop Constructs)

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ICS Part 2 Computer Science Chapter 12 Online Test

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Question # 1

What is the value of "a" after the execution of the following code?
int a 25;
for(int c=0; c<4;c++)
a=a-1;
a=1+3;

Question # 2

A ________ is used to perform the same sequence of steps or automating tasks repeatedly

Question # 3

______ are used to move around the window if its contents do not fit on screen

Question # 4

How many types of loop structure are available in C language?

Question # 5

A counter can be defined as:

Question # 6

When is for loop more appropriate then while loop?

Question # 7

The body of for loop with single statement ends with:

Question # 8

The body of while loop with multiple statements ends with:

Question # 9

One execution of a loop is known as a(n):

Question # 10

Semicolon is placed at the end of condition in:

Question # 11

If we want a user to enter exactly 20 values, which loop would be the best to use?

Question # 12

The loop structure that executes at least ones is

Question # 13

A loop whose execute never ends is called

Question # 14

When does the code block following while (x<100) execute?

Question # 15

This means to increase a value by one:

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ICS Part II Computer Science Chapter 0 Important MCQ's

Sr.# Question Answer
1 ________ contains icon button that are shortcuts to the commands in the menu
A. Menu bar
B. Tool bars
C. Scroll bar
D. Status bar
2 When does the code block following while (x<100) execute?
A. When x is less then one hundred
B. When x is greater then one hundred
C. When x is equal to one hundred
D. None
3 A for statement contains three expressions: Initialization, test and:
A. Assignment
B. Validation
C. Increment / decrement
D. All
4 Each record consists of a
A. Rows
B. Columns
C. Both a and b 
D. None of these
5 One execution of a loop is known as a(n):
A. Cycle
B. Duration
C. Iteration
D. Test
6 Which of the following is a loop statement?
A. If
B. If-else
C. Switch
D. None
7 A special value that marks the end of a list of input data is called:
A. Terminal value
B. Sentinel Value
C. Loop control value
D. Input value
8 A counter can be defined as:
A. The final value of a loop
B. A variable that counts loop iterations
C. The initial value of a loop
D. The step value of a loop
9 In which loop the condition comes before the body of the loop?
A. While loop
B. Do-while loop
C. For loop
D. B and C
10 What is the value of "a" after the execution of the following code?
int a 25;
for(int c=0; c<4;c++)
a=a-1;
a=1+3;
A. 23
B. 24
C. 25
D. 20

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