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

The associativity of ++ operator is

Question # 2

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

Question # 3

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

Question # 4

Which one of the following will read a character from the keyboard and will store it in the variable.

Question # 5

A function protoype is

Question # 6

The address of the starting element of an array is.

Question # 7

"x" and "y" are called

Question # 8

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 # 9

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

Question # 10

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

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

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

Question # 13

How many union members can be initialized.

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

In mixed mode expressions.

Question # 19

The number of arguments for realloc ( ) function is.

Question # 20

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

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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 Every C program consists of _____________ functions.
A. Only one
B. Only two
C. One or many
D. None of the above
2 Suppose the return type of function f is void. Which one of the following statements is true.
A. Function f does not contain a return statement.
B. Function f does not have parameters
C. Function f return a generic value
D. Function f does not work correctly
3 Which of the following functions are used in unformatted data files.
A. Fscanf
B. Fwrite
C. Fread
D. fscanf & fwrite
4 What is the output of the above program.
A. 5
B. 8
C. Runtime error
D. Syntax error
5 Which of the following correctly access the seventh element stored in foo, an array with 100 elements.
A. foo{6}:
B. Foo {7}:
C. Foo
D. Foo():
6 Find teh output of the following program
void main (){
int i = ' hello";
print f (i):
}
A. Syntax error
B. Runtime error
C. h
D. Hello
7 The function fprint is used in the program.
A. When too + many print calls have been used in the program.
B. In place of printf , as it uses more memory
C. When the type of the variables to be printed are not known
D. When the output is to be printed on to a file
8 Which of the following is "stringzizing operator"?
A. $
B. %
C. #
D. ?
9 Which of the following is not a character constant.
A. '\60
B. '/x 24'
C. 'sum'
D. 'A'
10 "x" and "y" are called
A. Actual parameters
B. Local variables
C. Formal parameters
D. Global variables

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