C Language Quiz @ Aptech Dha

35 Questions | Total Attempts: 36

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C Language Quiz @ Aptech Dha

Questions and Answers
  • 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(ā€œ a=%d b=%fā€,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(ā€%d %dā€,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

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