Online Multiple Choice Exam : C Programming

Online Exam On : C Programming

[table border="1"] Subject,Computer Programming
Online Practice Questions,Click Here to Solve Practice Questions
No Of Questions,10
Maximum Score,10
Topics,C Programming Tutorials
[/table]

C Programming : Multiple Choice Questions

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Question 1

Which of the following is called as relational operator ?

A	=
B	&&
C	+=
D	==

Question 1 Explanation:

In C Programming there are 6 relational operators

Question 2

Guess the output of the following example -

#include<stdio.h>
int main()
{
    int i = 10, j = 10 ,k;
    k = ++i + j++;
    printf("%d, %d, %d", i, j, k);
    return 0;
}

A	11, 11, 22
B	11, 10, 21
C	11, 11, 21
D	10, 11, 21

Question 2 Explanation:

Step 1 : Initial Values

int i = 10, j = 10 ,k;
k = ++i + j++;

Step 2 : Evaluating Expression

k = ++i + j++;
  = (Pre Increment i) + (Post Incr. j)
  = (11) + (10) ....[Post Incr Pending] 
  =  21

Step 3 : Execute Pending Post Increment

j = j++
  = 11

Question 3

Find output of the following program ?

#include<stdio.h>
int main()
{
    char str[] = "Smaller";
    int a = 100;
    printf(a > 10 ? "Greater" : "%s", str);
    return 0;
}

A	Smaller
B	Compile Error
C	Greater
D	100

Question 3 Explanation:

printf(a > 10 ? "Greater" : "%s", str);

is equivalent to -

if(a > 10)
    printf("Greater");
else
    printf("%s", str);

Question 4

Higher priority is given to ________ variable than _______ variable.

A	Global , Local
B	Local , Global

Question 5

Arithmetic Operator has associtivity from ___________ to ____________.

A	Right to Left
B	Left to Right

Question 6

In order to create a local variable we need to use local keyword.

 local int var;

A	False
B	True

Question 7

Following Code Snippet Can be written as -

if ( expression1 ) { 
  expression3
} else { 
  expression2 
}

A	statement 2 ? statement 3 : statement 1
B	statement 1 ? statement 3 : statement 2
C	statement 2 ? statement 1 : statement 3
D	statement 1 ? statement 2 : statement 3

Question 8

Identify the L-Value of following expression -

5 = num;

A	num
B	This is not a valid expression
C	None of these
D	5

Question 8 Explanation:

L- Value cannot be an constant term.

Question 9

Guess the output of the following program ?

#include<stdio.h>
int main()
{
    int i = 10, j = -1, k = 0, w, x, y, z;
    w = i || j || k;
    x = i && j && k;
    y = i || j && k;
    z = i && j || k;
    printf("%d, %d, %d, %d\n", w, x, y, z);
    return 0;
}

A	1, 0, 0, 1
B	1, 0, 1, 1
C	1, 1, 1, 1
D	1, 0, 1, 0

Question 10

Nesting of if-else statements is allowed in C Programming.

A	No
B	Yes

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