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

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 # 2

What is the only function all C program must contain.

Question # 3

The function fprint is used in the program.

Question # 4

In mixed mode expressions.

Question # 5

Identify the correct statement from the following statements.

Question # 6

What is the meaning of self referential structure.

Question # 7

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

Question # 8

String concatenating means.

Question # 9

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

Question # 10

In the statement # define , the symbol # must commence from

Question # 11

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 # 12

What does the "auto" specifier do.

Question # 13

How many characters can is string hold when declared as char name [20];?

Question # 14

A function protoype is

Question # 15

If you declare an array without stating the elements it will be set to

Question # 16

The type of the controlling expression of a switch statement can not be of the type

Question # 17

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

Question # 18

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

Question # 19

The declaration "void foo (int, x int & y)" is called a

Question # 20

Which of the following functions are used in unformatted data files.

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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 With the following declaration , the correct answer is.enum rgb (red = -1, green , blue)
A. red = -1, green = -2, blue = -3
B. red = -1 , green = 0 blue = 1
C. red = -1 , green = 2 blue = 3
D. All above alternative are illegal declarations.
2 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
3 If a = Oxaa and b = a << 1 then
A. b = 2a
B. b = a/2
C. a = b -1
D. b = a
4 What is the meaning of self referential structure.
A. Array of structure
B. Single structure
C. Structure calling it's parent structure.
D. Structure calling another structure.
5 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
6 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
7 Which command is used to skip the rest of a loop and carry on from the top of the loop again.
A. Break
B. Resume
C. Continue
D. Skip
8 What is the correct value to return to the operating system upon the successful completion of a program
A. 1
B. 1
C. 0
D. 2
9 Find teh output of the following program
void main (){
int i = ' hello";
print f (i):
}
A. Syntax error
B. Runtime error
C. h
D. Hello
10 The function fprint is used in the program.
A. When too + many print calls have been used in the program.
B. In place of printf , as it uses more memory
C. When the type of the variables to be printed are not known
D. When the output is to be printed on to a file

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