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

If a = Oxaa and b = a << 1 then

Question # 2

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

Question # 3

A parameters in a function definition are known as.

Question # 4

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 # 5

What is the reslutl of the expression 6+12*3 -4/2?

Question # 6

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

Question # 7

The storage class of a local variable is

Question # 8

Write the last element of the following array.
Char flag [] =" FALSE"

Question # 9

The number of arguments for realloc ( ) function is.

Question # 10

Malloc ( ) function return pointer to.

Question # 11

To read the formatted input data from a file, which of the following function is used.

Question # 12

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

Question # 13

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 # 14

The given statement FILE "fptr;

Question # 15

Information will be passed to the function via special identifier is called.

Question # 16

The size of an int must be greater than or equal to that of a

Question # 17

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

Question # 18

'C' is a middle level language because.

Question # 19

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

Question # 20

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

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    Tayyaba Shafique 21 - Nov - 2024 01 Min 09 Sec 20/20
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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 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.
2 What is the fifth element of the array
Int a [3][4] ={1,2,3,4,5,6,7,8,9,10,11}
A. 4
B. 5
C. 6
D. 7
3 An example of a value parameter is the code above is.
A. x
B. y
C. c
D. foo
4 In mixed mode expressions.
A. Operands of lower type get automatically converted to higher type
B. Operands of higher type get automatically converted to lower type.
C. Operands of higher and lower type get in there changed
D. Operands of lower type get automatically converted to lower type.
5 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
6 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")
A. Syntax Error
B. 1
C. 10
D. 100
7 "c" is called.
A. Actual parameter
B. Local variable
C. Formal parameter
D. Global variable
8 A function with no definition
A. I san invalid function
B. Produces syntax error
C. Result into runtime error
D. Is allowed and is known as dummy function
9 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
10 What is the reslutl of the expression 6+12*3 -4/2?
A. 22
B. 25
C. 40
D. 45

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