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

In mixed mode expressions.

Question # 2

The address of the starting element of an array is.

Question # 3

The function slower checks wither a character is in lowered case or not and hence it should return.

Question # 4

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

Question # 5

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

Question # 6

The function used to position the file pointer in C is

Question # 7

What is the base data type of a pointer variable by which the memory would be allocated to it.

Question # 8

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

Question # 9

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 # 10

Which operator from the following has the lowest priority.

Question # 11

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

Question # 12

Malloc ( ) function return pointer to.

Question # 13

Which of the following function calculates the square of 'X' in C.

Question # 14

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 # 15

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

Question # 16

Which one of the following will declare a pointer to an integer at address 0 x 200 in memory.

Question # 17

While declaring an array in C as datatype array name [size] the size can be.

Question # 18

Which of the following is not a character constant.

Question # 19

Which of the following operators has right to left associativity.

Question # 20

It is necessary to declare the type of the function in the calling program if.

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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 "c" is called.
A. Actual parameter
B. Local variable
C. Formal parameter
D. Global variable
2 Write the last element of the following array.
Char flag [] =" FALSE"
A. E
B. e
C. /O
D. \O
3 The function slower checks wither a character is in lowered case or not and hence it should return.
A. The character in lower case
B. The character itself
C. Nothing
D. 0 or 1
4 The getchar () library function
A. Returns a character when any key is pressed
B. Return multiple characters when the keys are pressed
C. Return multiple characters when the key are pressed followed by enter key
D. Return a single character when the keys are passed followed by enter key
5 While declaring an array in C as datatype array name [size] the size can be.
A. Any constant
B. An integer constant
C. Any variable
D. Any initialized integer variable
6 Which of the following is a not a keyword of C langauge.
A. Void
B. Volatile
C. Getchar
D. Short
7 Malloc ( ) function return pointer to.
A. Integer
B. Void
C. Character
D. Structure
8 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.
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 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;
A. Garbage and 7
B. 7 and 3
C. 3 and 7
D. 3 and 3

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