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 is the correct value to return to the operating system upon the successful completion of a program

Question # 2

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 # 3

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

Question # 4

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

Question # 5

A function protoype is

Question # 6

When a program is running the value of a constant

Question # 7

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

Question # 8

How many union members can be initialized.

Question # 9

What is the only function all C program must contain.

Question # 10

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

Question # 11

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

Question # 12

A function with no definition

Question # 13

C program language vas developed by.

Question # 14

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

Question # 15

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

Question # 16

To most widely used method for interpreting the bit setting as non negative integer is.

Question # 17

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

Question # 18

The storage class controls

Question # 19

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 # 20

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

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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 What does the "auto" specifier do.
A. It automatically initializes a variables to 0
B. It indicates that a variables memory will automatically be preserved
C. It automatically increments the variable when used.
D. It automatically initializes a variable to NULL
2 To most widely used method for interpreting the bit setting as non negative integer is.
A. EBCD system
B. BCD system
C. ASCII system
D. Binary number system
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 Which of the following is not a correct variable type.
A. Float
B. Real
C. Int
D. Double
5 The number of arguments for realloc ( ) function is.
A. 0
B. 1
C. 2
D. 3
6 The address of the starting element of an array is.
A. Represented by subscripted variable of the starting element.
B. Represented by the array name
C. Not used by the compiler
D. Represented by the size of the array
7 C program language vas developed by.
A. Dennis Ritchie
B. Ken thompson
C. Bill Gates
D. Peter Norton
8 Given b=110 and c =20, what is the value of 'a' after execution of the expression a = b -= c + =5?
A. 10
B. 450
C. 110
D. -10
9 Function have
A. Local scope
B. Block scope
C. File scope
D. Function scope
10 Which of the following is a not a keyword in C langauge.
A. Void
B. Volatile
C. Short
D. Gatchar

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