C Language Quiz @ Aptech Dha

35 Questions | By Aptechdha | Updated: Apr 25, 2014 | Attempts: 159

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1.

Do while loop tests the condition at the End of the Loop.
- A.
  
  True
- B.
  
  False
2.

The Symbol && is read as ____________________.
- A.
  
  AND
- B.
  
  OR
3.

What type of errors are checked during compilation
- A.
  
  Logical errors
- B.
  
  Divide by zero error
- C.
  
  Run - time errors
- D.
  
  Syntax errors
4.

The purpose of main function is
- A.
  
  To stop program execution
- B.
  
  To stop algorithm
- C.
  
  To start algorithm
- D.
  
  To start program execution
5.

What is the valid identifier in the following
- A.
  
  1fdasgf
- B.
  
  @hgd12
- C.
  
  Fahs%*
- D.
  
  Q1234
6.

What is range of char data value?
- A.
  
  -64 to 64
- B.
  
  -128 to 127
- C.
  
  0 to 255
- D.
  
  -127 to 128
7.

The minimum number of temporary variable needed to swap the contents of two variable is
- A.
  
  3
- B.
  
  1
- C.
  
  0
- D.
  
  2
8.

In the expression b=6.6/a+(2*a+(3*c)/a*d)/(2/n); which operation will be performed first?
- A.
  
  2*a
- B.
  
  2/n
- C.
  
  3*c
- D.
  
  6.6/a
9.

Which of the following is an incorrect variable name.
- A.
  
  Else
- B.
  
  Name
- C.
  
  string
- D.
  
  Age
10.

Variables are initialized in C, using
- A.
  
  : =
- B.
  
  >
- C.
  
  =
- D.
  
  ==
11.

In the following, which is bitwise operator?
- A.
  
  >
- B.
  
  *
- C.
  
  |
- D.
12.

What is output of the following program? main() {int a; float b; a=1/2; b=1.0/2.0; printf(“ a=%d b=%f”,a,b); }
- A.
  
  A=0.0 b=0. 5
- B.
  
  A=0 b=0. 5
- C.
  
  A=0.0 b= 5
- D.
  
  A=0.5 b=0. 5
13.

Representing various steps in a flow diagram is called as
- A.
  
  Diagram
- B.
  
  Flow chart
- C.
  
  Program
- D.
  
  Paint
14.

What are the smallest individual units in a program
- A.
  
  Structures
- B.
  
  Functions
- C.
  
  record
- D.
  
  Tokens
15.

The operator ++ is called as operator
- A.
  
  Special increment
- B.
  
  Increment
- C.
  
  Double addition
- D.
  
  Decrement
16.

Which of the following is not a relational operator
- A.
- B.
  
  &&
- C.
  
  !=
- D.
  
  >
17.

main ( ) { int m,y; m = 5; y = ++m; printf(”%d %d”,m,y);} consider the above code and find the output
- A.
  
  5,5
- B.
  
  5,6
- C.
  
  6,6
- D.
  
  6,5
18.

Int C; C=25/2; What is the value of C
- A.
  
  0.5
- B.
  
  12.500000
- C.
  
  12.000000
- D.
  
  12
19.

Which of the following cannot be used as an identifier.
- A.
  
  Alphabet followed by digit
- B.
  
  Alphabet
- C.
  
  Keywords
- D.
  
  Library function name
20.

Size of (double) returns
- A.
  
  4
- B.
  
  8
- C.
  
  10
- D.
  
  2
21.

The ___________________ loop executes at least once.
- A.
  
  Do while
- B.
  
  While
22.

An ___________________ is a collection of variables having same data type
- A.
  
  Array
- B.
  
  Operator
- C.
  
  Function
23.

What will be the output of the following program? #include int main() { int a = 1, b = 2, c = 3; printf("The value of a is %d", a); a+=3; printf(" The value of a is %d", a); return 0; }
- A.
  
  The value of a is 2 The value of a is 2
- B.
  
  The value of a is1 The value of a is 3
- C.
  
  The value of a is 1 The value of a is 4
- D.
  
  Compiler error
24.

What is the output of the below program? What is value of C. { a=10; b=12; c=a+b*2; }
- A.
  
  44
- B.
  
  22
- C.
  
  240
- D.
  
  Compiler Error
25.

What will be the output of the following program? #include<stdio.h> int main() { int arr[3]= {1, 2, 3, 4}; printf("%d\n",arr[3] ); }
- A.
  
  3
- B.
  
  Compiler Error
- C.
  
  Runtime Error
- D.
  
  4