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 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 # 2

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

Question # 3

What's wrong in the statement ? (x == 4 && y == 5) ? (a=5):(b=6):

Question # 4

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

Question # 5

Function have

Question # 6

How is a variable accessed from another file.

Question # 7

A parameters in a function definition are known as.

Question # 8

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

Question # 9

With the following declaration , the correct answer is.enum rgb (red = -1, green , blue)

Question # 10

Which of the following is not a character constant.

Question # 11

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

Question # 12

Malloc ( ) function return pointer to.

Question # 13

What is the difference between a declaration and a definition of a variable.

Question # 14

A function with no definition

Question # 15

The given statement FILE "fptr;

Question # 16

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

Question # 17

Which operator from the following has the lowest priority.

Question # 18

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

Question # 19

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

Question # 20

int *p[5] ; is used for

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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 Which of the following operators has right to left associativity.
A. ++
B. --
C. + =
D. All a ,b and c above
2 To read the formatted input data from a file, which of the following function is used.
A. Getchar ()
B. fgets()
C. fscanf ()
D. scanf()
3 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.
4 What is the only function all C program must contain.
A. Start ()
B. System ()
C. Main ()
D. Program ()
5 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.
6 When a program is running the value of a constant
A. Can be changed
B. Cannot be used
C. I always hidden
D. Cannot be changed
7 The function 'foo' returns the following type as result.
A. Ineger
B. No result is returned
C. Float
D. Double
8 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
9 If a = Oxaa and b = a << 1 then
A. b = 2a
B. b = a/2
C. a = b -1
D. b = a
10 Information will be passed to the function via special identifier is called.
A. Arguments
B. Parameters
C. Both A and B above
D. Elements

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