PPSC Computer Science Topic 8 MCQ's Test Preparation

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MCQ's Test For PPSC Computer Science Topic 8 C Programming

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PPSC Computer Science Topic 8 C Programming

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Question # 1

How many number of tokens are there in the following statement provided 'valeus' is an integer variable.
if value == 21)

Question # 2

If suppose a variable 'a' is initialized as int a = oxff, then what will be output for the below code.
(a << 4>>12)? printf ("Humaira') printf (" iram")

Question # 3

When function is recursively called all the automatic variable are stored in a.

Question # 4

The getchar () library function

Question # 5

What does the "auto" specifier do.

Question # 6

The header file contains the function prototypes to the standard input /output library functions and information used by them.

Question # 7

Which of the following is a not a keyword in C langauge.

Question # 8

Function have

Question # 9

Which of the following is not a valid name for a C variable.

Question # 10

The address of the starting element of an array is.

Question # 11

In mixed mode expressions.

Question # 12

Suppose the return type of function f is void. Which one of the following statements is true.

Question # 13

The number of arguments for realloc ( ) function is.

Question # 14

Array are passed as the arguments to a function by

Question # 15

Identify the correct statement from the following statements.

Question # 16

Malloc ( ) function return pointer to.

Question # 17

The arguments in main () function are known as.

Question # 18

Element of the array are accessed by

Question # 19

A function with no definition

Question # 20

When a program is running the value of a constant

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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 The header file contains the function prototypes to the standard input /output library functions and information used by them.
A. <std I/O .h>
B. <stdio .h>
C. < stdib.h>
D. <studio.h>
2 A function protoype is
A. A definition of the function
B. a declaration statement in the called program
C. A declaration statement in the called program
D. A function call in the program
3 The given statement FILE "fptr;
A. Defines a pointer to the pre defined structure type FILE.
B. Defines a pointer to the usere defined structure type FILE
C. Defines a pointer to the pre-defined data type FILE DESCRIPTOR.
D. Creates a file pointed by fptr
4 Given b=110 and c =20, what is the value of 'a' after execution of the expression a = b -= c + =5?
A. 10
B. 450
C. 110
D. -10
5 The storage class of a local variable is
A. Auto
B. Static
C. Extern
D. Register
6 The address of the starting element of an array is.
A. Represented by subscripted variable of the starting element.
B. Represented by the array name
C. Not used by the compiler
D. Represented by the size of the array
7 What is the difference between a declaration and a definition of a variable.
A. Both can occur multiple times but a declaration must occur first.
B. There is no difference between them
C. A declaration occurs once but a definition may occur many times.
D. Both can occur multiple times but a definition must occur first.
8 What is the base data type of a pointer variable by which the memory would be allocated to it.
A. Int
B. Float
C. No data type
D. Unsigned int
9 Write the last element of the following array.
Char flag [] =" FALSE"
A. E
B. e
C. /O
D. \O
10 How is a variable accessed from another file.
A. The global variable is reference via the extern specifier
B. The global variable is referenced via the auto specifier
C. The global variable is referenced via the global specifier
D. None of above

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