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 difference between a declaration and a definition of a variable.

Question # 2

"c" is called.

Question # 3

What is the associatively of the conditional operator.

Question # 4

The declaration "void foo (int, x int & y)" is called a

Question # 5

# define preprocessors command can be used for defining.

Question # 6

The storage class of a local variable is

Question # 7

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

Question # 8

String concatenating means.

Question # 9

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

Question # 10

The benefit of using enumeration data types in a program is

Question # 11

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 # 12

"x" and "y" are called

Question # 13

The arguments in main () function are known as.

Question # 14

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

Question # 15

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

Question # 16

In mixed mode expressions.

Question # 17

While working with the binary Strems for 'C' I/O file operations.

Question # 18

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

Question # 19

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

Question # 20

The given statement of FILE * fptr,

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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 When function is recursively called all the automatic variable are stored in a.
A. Stack
B. Array
C. Register
D. Linked list
2 What is the meaning of self referential structure.
A. Array of structure
B. Single structure
C. Structure calling it's parent structure.
D. Structure calling another structure.
3 A parameters in a function definition are known as.
A. Actual parameters
B. Formal parameters
C. Dummy parameters
D. Optional parameters
4 The declaration int (*a)[8] : is
A. An array of pointers
B. A pointer to an array
C. A pointer to a function
D. Function returning pointer
5 What's wrong in the statement ? (x == 4 && y == 5) ? (a=5):(b=6):
A. The question mark should be an equal sign.
B. The first semicolon should be a colon
C. There are too many variables in the statement
D. None of abvoe
6 What is the correct value to return to the operating system upon the successful completion of a program
A. 1
B. 1
C. 0
D. 2
7 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.
8 Which of the following functions are used in unformatted data files.
A. Fscanf
B. Fwrite
C. Fread
D. fscanf & fwrite
9 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
10 The getchar ()function reads a
A. String from a file
B. Character from a file
C. String from the key board
D. Character from the keyboard

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