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

Which command is used to skip the rest of a loop and carry on from the top of the loop again.

Question # 2

How many union members can be initialized.

Question # 3

What is the meaning of self referential structure.

Question # 4

"c" is called.

Question # 5

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

Question # 6

What is the output of the following program.
#include <studio. h>
int c [10]={1,2,3,4,5,6,7,8,9,10}
main ()
{int a, b =0:
for {a<10;++a)
if c[a]:
[romt f (%d" . n);}

Question # 7

What are the values of a, b are if the following code fragemnt is executed int a , b = 7
a=b<4? b << 1, b> 4?7 >> 1 a;

Question # 8

The function 'foo' returns the following type as result.

Question # 9

What is the output of the above program.

Question # 10

Element of the array are accessed by

Question # 11

Which of the following is "stringzizing operator"?

Question # 12

How is a variable accessed from another file.

Question # 13

What is the fifth element of the array
Int a [3][4] ={1,2,3,4,5,6,7,8,9,10,11}

Question # 14

A function protoype is

Question # 15

"x" and "y" are called

Question # 16

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

Question # 17

The function sprint ( ) works like print f ( ) , but operates on.

Question # 18

Which of the following is a LOOP statement of a C language.

Question # 19

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 # 20

Which of the following is an advantage of using macros over functions.

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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 The declaration int (*a)[8] : is
A. An array of pointers
B. A pointer to an array
C. A pointer to a function
D. Function returning pointer
3 Which of the following functions are used in unformatted data files.
A. Fscanf
B. Fwrite
C. Fread
D. fscanf & fwrite
4 Suppose the return type of function f is void. Which one of the following statements is true.
A. Function f does not contain a return statement.
B. Function f does not have parameters
C. Function f return a generic value
D. Function f does not work correctly
5 Element of the array are accessed by
A. Index
B. Mathematical function
C. Accessing the function in built in data structure.
D. Int l;
6 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.
7 The given statement of FILE * fptr,
A. Defines a pointer to the pre defined structure type FILE
B. Define a pointer to the user defined structure type FILE.
C. define a pointer to the pre defined data type FILE DESCRIPTOR
D. Creates a file pointed by fptr
8 To most widely used method for interpreting the bit setting as non negative integer is.
A. EBCD system
B. BCD system
C. ASCII system
D. Binary number system
9 What is the output of the above program.
A. 5
B. 8
C. Runtime error
D. Syntax error
10 The associativity of ++ operator is
A. For arithmetic expression and
B. For pointer expression
C. For pointer expression and
D. For pointer express in and

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