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 does the "auto" specifier do.

Question # 3

What is the meaning of self referential structure.

Question # 4

How many union members can be initialized.

Question # 5

The declaration int (*a)[8] : is

Question # 6

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

Question # 7

The given statement FILE "fptr;

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The getchar () library function

Question # 12

A function with no definition

Question # 13

Multiple macro can be defined by placing _____ at teh end of each line except the last.

Question # 14

The benefit of using enumeration data types in a program is

Question # 15

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

Question # 16

What's wrong in the following statement provide K is a variable of type Int.
(k=2 , k <= 12, k++)

Question # 17

Find teh output of the following program
void main (){
int i = ' hello";
print f (i):
}

Question # 18

Which of the following operators has right to left associativity.

Question # 19

Which of the following is "stringzizing operator"?

Question # 20

The storage class controls

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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 Malloc ( ) function return pointer to.
A. Integer
B. Void
C. Character
D. Structure
2 How many union members can be initialized.
A. Only one member of union at any one time.
B. Any number of members of a union at one time
C. Union members can not be initialized
D. Only two members of a union at any one time.
3 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
4 The storage class controls
A. Life time of a variable
B. Linkage of a variable
C. Scope of a variable
D. a , b and c above
5 If you declare an array without stating the elements it will be set to
A. A null value
B. Zero
C. Garbage value
D. Set of words
6 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
7 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
8 Element of the array are accessed by
A. Index
B. Mathematical function
C. Accessing the function in built in data structure.
D. Int l;
9 "x" and "y" are called
A. Actual parameters
B. Local variables
C. Formal parameters
D. Global variables
10 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.

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