Explore topic-wise MCQs in C Program.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your C Program knowledge and support exam preparation. Choose a topic below to get started.

1.

char* myfunc(char *ptr){ ptr+=3; return(ptr);}void main(){ char *x, *y; x = "EXAMVEDA"; y = myfunc(x); printf("y=%s", y);}What will be printed when the sample code above is executed?%!

A. y=EXAMVEDA
B. y=MVEDA
C. y=VEDA
D. y=EDA
E. y=AMVEDA
Answer» C. y=VEDA
Discussion
2.

When a function is recursively called all the automatic variables are stored in a ..........%!

A. Stack
B. Queue
C. Array
D. Linked list
E. Register
Answer» B. Queue
Discussion
3.

Which of the following function calculates the square of 'x' in C?%!

A. sqr(x)
B. pow(2, x)
C. pow(x, 2)
D. power(2, x)
E. power(x, 2)
Answer» D. power(2, x)
Discussion
4.

Determine output:main(){ int i = abc(10); printf("%d", --i);}int abc(int i){ return(i++);}

A. 10
B. 9
C. 11
D. None of these.
Answer» C. 11
Discussion
5.

Any C program

A. Must contain at least one function.
B. Need not contain any function.
C. Needs input data.
D. None of the above
Answer» B. Need not contain any function.
Discussion
6.

Use of functions

A. Helps to avoid repeating a set of statements many times.
B. Enhances the logical clarity of the program.
C. Helps to avoid repeated programming across programs.
D. Makes the debugging task easier.
E. All of the above
Answer» F.
Discussion
7.

What will happen after compiling and running following code?main(){ printf("%p", main); }

A. Error
B. Will make an infinite loop.
C. Some address will be printed.
D. None of these.
Answer» D. None of these.
Discussion
8.

What will be the output of the following program code?main(){ static int var = 5; printf("%d ", var--); if(var) main();}

A. 5 5 5 5 5
B. 5 4 3 2 1
C. Infinite Loop
D. Compilation Error
E. None of these
Answer» C. Infinite Loop
Discussion
9.

Pick the correct statements.I.   The body of a function should have only one return statement.II.  The body of a function may have many return statements.III. A function can return only one value to the calling environment.IV. If return statement is omitted, then the function does its job but returns no value to the calling environment.$

A. I and II
B. I and III
C. II and III
D. II and IV
E. III and IV
Answer» D. II and IV
Discussion
10.

Determine output:main(){ int i = 5; printf("%d%d%d%d%d", i++, i--, ++i, --i, i);}

A. 54544
B. 45445
C. 54554
D. 45545
Answer» E.
Discussion
11.

What is the result of compiling and running this code?main(){ char string[] = "Hello World"; display(string);}void display(char *string){ printf("%s", string);}

A. will print Hello World
B. Compilation Error
C. will print garbage value
D. None of these.
Answer» C. will print garbage value
Discussion
12.

The default parameter passing mechanism is

A. call by value
B. call by reference
C. call by value result
D. None of these.
Answer» B. call by reference
Discussion
13.

Functions have ..........

A. Local scope
B. Block scope
C. File scope
D. Function scope
E. No scope at all
Answer» D. Function scope
Discussion
14.

The function scanf() returns .........

A. The actual values read for each argument.
B. 1
C. 0
D. The number of successful read input values.
E. ASCII value of the input read.
Answer» E. ASCII value of the input read.
Discussion
15.

The recursive functions are executed in a ...........

A. Parallel order
B. First In First Out order
C. Last In First Out order
D. Iterative order
E. Random order
Answer» D. Iterative order
Discussion
16.

What will be printed when this program is executed?int f(int x){ if(x

A. 4 5 6 7
B. 1 2 3 4
C. 4
D. Syntax error
E. Runtime error
Answer» D. Syntax error
Discussion
17.

Which of the following is a complete function?

A. int funct();
B. int funct(int x) { return x=x+1; }
C. void funct(int) { printf(“Hello"); }
D. void funct(x) { printf(“Hello"); }
E. None of these
Answer» C. void funct(int) { printf(‚Äö√Ñ√∫Hello"); }
Discussion