Question 1

Consider the 32 bit compiler. We need to store address of integer variable to integer pointer. What will be the size of integer pointer?

Accepted Answer

A)  10 Bytes
B)  4 Bytes
C)  2 Bytes
D)  6 Bytes C

Question 2

Which one of the following is invalid macro in C programming?

Accepted Answer

A)  #pragma
B)  #error
C)  #ifndef
D)  #elseif D

Question 3

If we have declared an array described below -int arr[6];then which of the following array element is considered as last array element ?

Accepted Answer

A)  arr[6]
B)  arr[4]
C)  arr[0]
D)  arr[5] D

Question 4

What will happen if in a C program you assign a value to an array element whose subscript exceeds the size of array?

Accepted Answer

A)  The element will be set to 0.
B)  The compiler would report an error.
C)  The array size would appropriately grow.
D)  The program may crash if some important data gets overwritten.

Question 5

Array which is having ____ dimensions is called as 2-D array.

Accepted Answer

A)  3
B)  2
C)  5
D)  4

Question 6

#include "stdio.h"
Int main()
{
Int a = 10, b = 20;
If(a=b)
{
Printf("Easy");
}
Else{printf("Hard");
}
Return 0;
}

Accepted Answer

A)  Easy
B)  Hard
C)  EasyHard
D)  Error in program

Question 7

What is output of below program?
Int main()
{
Int i,j;
For(i = 0,j=0;i<5;i++)
{
Printf("%d%d--",i,j);
}
Return 0;
}

Accepted Answer

A)  0--01--12--23--34--
B)  00--10--20--30--40--
C)  Compilation Error
D)  00--01--02--03--04--

Question 8

#define t 10
Void main()
{
Printf("%d",t);
}

Accepted Answer

A)  10
B)  Error:Unfined symbol 't'
C)  Error:Improper placement of preprocessor
D)  none of the above

Question 9

Wild pointer in C

Accepted Answer

A)  if pointer is pointing to a memory location from where variable has been deleted
B)  if pointer has not been initialized
C)  if pointer has not defined properly
D)  if pointer pointing to more than one variable

Question 10

Size of void pointer is

Accepted Answer

A)  1 byte
B)  2 byte
C)  3 byte
D)  4 byte

Question 11

Which macro is used to insert assembly code in C program (GCC compiler)?

Accepted Answer

A)  __asm__
B)  _asm_
C)  __asm
D)  asm

Question 12

which of these is not a valid character constant

Accepted Answer

A)  "A"
B)  'A'
C)  "*"
D)  "+"

Question 13

#include "stdio.h"
Int main()
{
Int a@ = 10;
Printf("%d", a@);
Return 0;
}

Accepted Answer

A)  10
B)  10@
C)  @
D)  [Error] stray '@' in program

Question 14

In a function call, _____________ is passed as arguments.

Accepted Answer

A)  variables
B)  constants
C)  Expressions
D)  All the above

Question 15

In Array, There is one to one correspondence between set of ________ and set of values.

Accepted Answer

A)  Indices
B)  Variables
C)  Constants
D)  Memory Locations

Question 16

Array with last element 'n' will always have array size equal to _______.

Accepted Answer

A)  n+1
B)  n-1
C)  n+n
D)  n

Question 17

Smallest element of an array is called as _______.

Accepted Answer

A)  Middle Bound
B)  Range
C)  Upper Bound
D)  Lower Bound

Question 18

Which gcc flag is used to enable all Compiler warnings?

Accepted Answer

A)  gcc -W
B)  gcc -w
C)  gcc -Wall
D)  gcc -wall

Question 19

Array is ______ data type in C Programming language.

Accepted Answer

A)  Custom Data Type
B)  Primitive Data Type
C)  None of these
D)  Derived Data Type

Question 20

What is output of below program?
Int main()
{
For(; ;);
For(; ;);
Printf("Hello");
Return 0;
}

Accepted Answer

A)  Compilation Error
B)  Runtime Error
C)  Nothing is printed
D)  Hello is printed infinite times

Exam 3: Loops, Headers, Macros, and Arrays