MCQs on Loop Control Statement in C

Hello students welcome to CSE Study247 , Today I am provide MCQs on Loop Control Statement in C.

This page provide 20 Multiple choice question with Answer that is very useful of Computer science students like preparation of many exam Like ( ISRO,DRDO ,Semester, Interview, TCS , Railway & another Government Sector)

❤️ TOP 500+ C Programming Question and Answer

C programming is the basic language of programming that help to learn another language. So this MCQ is very useful for you.

C is a general purpose ,high level language that originally developed by Dennis Ritchie to develop the UNIX operating system at Bell labs.

 

Q.1 The minimum number of times while loop is executed is ?

A) 0
B) 1
C) 2
D) Cannot be predicted

ANSWER= (D) Cannot be predicted

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Q.2 The minimum number of times do while loop is executed is

A) 0
B) 1
C) 2
D) Cannot be predicted

ANSWER= (B) 1

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Q.3 Which of the following looping statements end with a semi-colon ?

A) while
B) do while
C) for
D) None

ANSWER= (B) do while

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Q.4 Infinite loop is

A) Useful for time delay
B) Used to terminate execution
C) Useless
D) None

ANSWER= (C) Useless

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Q.5 Which is the incorrect statement ?

A) while loop can be nested
B) for loop can be nested
C) Both A & B
D) One type of loop cannot be nested in other type of loop

ANSWER= (D) One type of loop cannot be nested in other type of loop

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Q.6 A Typical repetition control structure comprises which of the following parts ?

A) Initialization of condition variable
B) Execution block
C) Test condition and counter update instruction
D) All of these

ANSWER= (D) All of these

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Q.7 Loop is used to ?

A) To execute compound statement
B) To execute simple statement
C) To execute compound or simple statement repeatedly
D) To execute compound or simple statement repeatedly till the specified condition is True

ANSWER= (D) To execute compound or simple statement repeatedly till the specified condition is True

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Q.8 Loops in C Language are implemented using?

A) While
B) For
C) Do While
D) All of these

ANSWER= (D) All of these

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Q.9 What are statements which result in infinite loop ?

A) for(i=0;;i++);
B) for(i=0;;);
C) for(;;);
D) All of these

ANSWER= (D) All of these

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Q.10 Find out the output for the following program

  void main()
  {
  int x=10;
  do
  {
  x++;
  }
  while (x++>12);
  printf(“%d”,x);
  }

A) 11
B) 12
C) 13
D) 14

ANSWER= (B) 12

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Q.11 A loop within a loop is called ?

A) for loop
B) while loop
C) nested loop
D) None

ANSWER= (C) nested loop

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Q.12 Find out the output for the following program

  void main()
  {
  int i;
  for (i=0;i<=0;i++);
  printf(“%d”,i);
  }

A) 0
B) 1
C) Error
D) None

ANSWER= (A) 0

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Q.13 Find out the output for the following program

  void main()
  {
  int i;
  for (i=1;i<=4;i++);
  printf(“%d”,i);
  }

A) 01234
B) 1234
C) 234
D) Error

ANSWER= (B) 1234

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Q.14 Find out the output for the following program

  void main()
  {
  int i=1;
  for (i = 1; i <2 ; i++)
  printf(“CSE Study247”);
  }

A) Run time error
B) CSE Study247 printed once
C) CSE Study247 printed twice
D) CSE Study247 is printed infinitely

ANSWER= (B) CSE Study247 printed once

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Q.15 Find out the output for the following program

  void main()
  {
  int i=0;
  for ( i <4 ; i++)
  printf(“CSE Study247”);
  }

A) Compile time error
B) CSE Study247 printed once
C) CSE Study247 printed twice
D) CSE Study247 is printed infinitely

ANSWER= (A) Compile time error

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Q.16 A for loop with the no test condition is known as ?

A) Infinite loop
B) Time delay loop
C) Finite loop
D) None

ANSWER= (A) Infinite loop

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Q.17 The sentinel controlled loop is also known as ?

A) Definite repetition loop
B) Indefinite repetition loop
C) Counter controlled loop
D) None

ANSWER= (B) Indefinite repetition loop

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Q.18 In counter- controlled loop, variable known as — is used to count the loop operation

A) Condition
B) Counter
C) Update variable
D) None

ANSWER= (B) Counter

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Q.19 In an exit – controlled loop,if the body is executed n times, the test condition is evaluated —- times

A) n
B) n-1
C) n+1
D) None

ANSWER= (B) n-1

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Q.143 Find out the output for the following program

  void main()
  {
  double i = 0;
  for (i = 0.0; i < 5.0; i++);
  printf(“%lf”, i);
  }

A) 3.000000
B) 4.000000
C) 5.000000
D) Run time error

ANSWER= (C) 5.000000

Check Answer

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