QUIZ ON : c - FUNCTIONS

FUNCTIONS

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Question No# : 01 out of 19

A self contained block of statements that perform a coherent task of some kind is called a

A. Monitor

B. Function

C. Program

D. Structure

Question No# : 02 out of 19

getchar() function is available in which header file?

A. Stdio.h

B. Conio.h

C. Math.h

D. Header.h

Question No# : 03 out of 19

Recursion is sometimes called

A. Circular definition

B. Complex definition

C. Procedure

D. Union

Question No# : 04 out of 19

An array can be passed to a function by

A. Call by reference

B. Call by value

C. Call by reference by passing base address to a function

D. Both A and C

Question No# : 05 out of 19

The keyword used to transfer control from a function back to the calling function is

A. switch

B. goto

C. go back

D. return

Question No# : 06 out of 19

In C, if you pass an array as an argument to a function, what actually gets passed?

A. Value of elements in array

B. First element of the array

C. Base address of the array

D. Address of the last element of array

Question No# : 07 out of 19

In the absence of a exit condition in a recursive function, the following error is given

A. Compile time error

B. Run time error

C. Logical error

D. No error

Question No# : 08 out of 19

Which of the following is the correct order if calling functions in the below code? a = f1(23, 14) * f2(12/4) + f3();

A. f1, f2, f3

B. f3, f2, f1

C. Order may vary from compiler to compiler

D. None of the above

Question No# : 09 out of 19

The data structure used to implement recursive function calls

A. Array

B. Linked list

C. Binary tree

D. Stack

Question No# : 10 out of 19

The value obtained in the function is given back to main by using ________ keyword?

A. return

B. static

C. new

D. volatile

Question No# : 11 out of 19

What is the return-type of the function sqrt()

A. int

B. float

C. double

D. depends on the data type of the parameter

Question No# : 12 out of 19

Due to variable scope in C

A. Variables created in a function cannot be used another function

B. Variables created in a function can be used in another function

C. Variables created in a function can only be used in the main function

D. None of the above

Question No# : 13 out of 19

For the function

int operation (int A[], int n)

{

…

}

Which is the appropriate calling statement from main program?

A. s=operation(A[], 6)

B. operation(A, 6)

C. k=operation(A, 6)

D. d=operation(int A, 6)

Question No# : 14 out of 19

Function putchar() displays

A. one word at a time on the screen

B. one character at a time

C. result on the screen

D. None of the above

Question No# : 15 out of 19

The value obtained in the function is given back to main by using ________ keyword.

A. return

B. static

C. new

D. volatile

Question No# : 16 out of 19

Prototype of function named ‘fun’ is: int fun(int a, float b) Which of the following is true about function ‘fun’:

A. It takes two inputs, one integer type and the other float type but returns nothing

B. It takes two inputs, one integer type and the other float type but returns 0

C. It takes two inputs, one integer type and the other float type but returns an integer

D. It takes two inputs, one integer type and the other integer type but returns float

Question No# : 17 out of 19

Which of the following function declaration need not have a return statement in its body?

A. int a(char *s)

B. void b(int a[], int n)

C. float *c()

D. short d(long x)

Question No# : 18 out of 19

The name of all functions end with a

A. pair of parenthesis

B. semicolon

C. braces

D. colon

Question No# : 19 out of 19

Which keyword can be used for coming out of recursion?

A. break

B. return

C. exit

D. Both break and return