C Part 1

Question 1

By default a real number is treated as a

Accepted Answer

double

Question 2

Which of the following are unary operators in C? 1) ! 2) sizeof 3) ~ 4)&&

Accepted Answer

1, 2, 3

Question 3

Which of the following function sets first n characters of a string to a given character?

Accepted Answer

strnset()

Question 4

Is the following statement a declaration or definition?extern int i;

Accepted Answer

Declaration

Question 5

Out of fgets() and gets() which function is safe to use?

Accepted Answer

fgets()

Question 6

In which numbering system can the binary number 1011011111000101 be easily converted to?

Accepted Answer

Hexadecimal system

Question 7

Which of the following special symbol allowed in a variable name?

Accepted Answer

_ (underscore)

Question 8

What are the types of linkages?

Accepted Answer

External, Internal and None

Question 9

How will you print 
 on the screen?

Accepted Answer

printf("\n");

Question 10

Which bitwise operator is suitable for turning off a particular bit in a number?

Accepted Answer

& operator

Question 11

Which of the following correctly shows the hierarchy of arithmetic operations in C?

Accepted Answer

/ * + -

Question 12

If variable is pointer to a structure, then which operator is used to access data using pointer

Accepted Answer

->

Question 13

In which order do the following gets evaluated 1.Relational 2.Arithmetic 3.Logical 4.Assignment

Accepted Answer

2134

Question 14

In which header file is the NULL macro defined?

Accepted Answer

stdio.h and stddef.h

Question 15

file contains the line"I am a boy
"then on reading line into array str using fgets().output?

Accepted Answer

"I am a boy
\0"

Question 16

A pointer is

Accepted Answer

A variable that stores address of other variable

Question 17

Which bitwise operator is suitable for turning on a particular bit in a number?

Accepted Answer

| operator

Question 18

What is (void*)0?

Accepted Answer

Representation of NULL pointer

Question 19

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

Accepted Answer

return

Question 20

The operator used to get value at address stored in a pointer variable is

Accepted Answer

*

Question 21

When we mention the prototype of a function?

Accepted Answer

Declaring

Question 22

If the two strings are identical, then strcmp() function returns

Accepted Answer

0

Question 23

Which of the following function is more appropriate for reading in a multi-word string?

Accepted Answer

gets();

Question 24

The library function used to find the last occurrence of a character in a string is

Accepted Answer

strrchr()

Question 25

Which function is used to find the first occurrence of a given string in another string?

Accepted Answer

strstr()

C Part 1

Questions 25

C Part 1

Questions 25