MCQs on Operator in C

Hello students welcome to CSE Study247 , Today I am provide you MCQs on Operator 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 a+b where a and b is

A) Operator
B) Operand
C) Both A & B
D) None

ANSWER= (B) Operand

Check Answer

 

Q.2 a+b where + is

A) Operator
B) Operand
C) Both A & B
D) None

ANSWER= (A) Operator

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Q.3 Which of the following is example of relational operator in C

A) <
B) >
C) !=
D) All of these

ANSWER= (D) All of these

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Q.4 ++ and — are unary operators

A) True
B) False
C) May be
D) None

ANSWER= (A) True

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Q.5 != is the example of —— operator.

A) Relational
B) Logical
C) Assignment
D) Conditional

ANSWER= (A) Relational

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Q.6 Find out the output for the following program

  void main()
  {
  int x = 45%10;
  printf(“%d”, x);
  }

A) 4
B) 4.5
C) 5
D) Error

ANSWER= (C) 5

Explain 10×4 + 5 = 45. So reminder is 5
Check Answer

 

Q.7 Which of the following operator is used to find the size of any variable ?

A) Logical opeartor
B) Increment Operator
C) Sizeof operator
D) None

ANSWER= (C) Sizeof operator

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Q.8 Which of the following is a logical opeartor ?

A) <=
B) ==
C) &&
D) >=

ANSWER= (C) &&

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Q.9 The operator % can be applied only to ?

A) float values
B) double values
C) interger values
D) None

ANSWER= (C) interger values

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Q.10 Find out the output for the following program

  void main()
  {
  float x = 8;
  printf(“%f”, x);
  }

A) 8.000000
B) 8.00000
C) 8
D) 8.0

ANSWER= (A) 8.000000

Explain   integer value 8 is promoted to float i.e 8.0 and printed with all 6 decimal numbers
Check Answer

 

Q.11 The symbol of execlusive ‘or’ operator ?

A) !
B) &
C) |
D) ^

ANSWER= (D) ^

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Q.12 Which expression execute quickly ?

A) a++
B) ++a
C) A=a+2
D) Both A & B

ANSWER= (D) Both A & B

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Q.13 Which operator has the lowest priority ?

A) ||
B) –
C) +
D) &

ANSWER= (A) ||

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Q.14 Identify the invalid expression ?

A) ++(x+y)
B) a–
C)–a–
D) ++c+d

ANSWER= (C) –a–

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Q.15 Find out the output for the following program

  void main()
  {
  float x = 4.5 + 5.5;
  printf(“%d”, (int)x);
  }

A) 10
B) 10.000000
C) 9
D) Error

ANSWER= (A) 10

Check Answer

 

Q.16 Indentify the invalid compound operators ?

A) ~ =
B) + =
C) << =
D) – =

ANSWER=(A) ~ =

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Q.17 Relational operators cannot be used on

A) structure
B) strings
C) float
D) None

ANSWER= (A) structure

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Q.18 The operators used to access number of structures is

A) .
B) →
C) Both A & B
D) None

ANSWER= (C) Both A & B

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Q.19 Operator % in C Language is called ?

A) Modulus
B) Percentage Operator
C) Division
D) None

ANSWER= (A) Modulus

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Q.143 Find out the output for the following program

  void main()
  {
  double y = 12.6;
  int x = 10;
  int z;
  z = x + y;
  printf(“%d”, z);
  }

A) 22.6
B) 22
C) 23
D) Error

ANSWER= (B) 22

Check Answer

S.NO	MCQ	SET-1	SET-2
1	Data Types	CLICK
2	Operator	CLICK	CLICK
3	Control Structure	CLICK	CLICK
4	Looping Structure	CLICK	CLICK
5	Array	CLICK	CLICK
6	Function	CLICK	CLICK
7	Pointer	CLICK	CLICK
8	Structure and Unions	CLICK	CLICK
9	C Interview MCQ	CLICK	CLICK

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