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 header file contains the function prototypes to the standard input /output library functions and information used by them.

Question # 2

int *p[5] ; is used for

Question # 3

Which of the following is not a correct variable type.

Question # 4

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 # 5

String concatenating means.

Question # 6

Which of the following correctly access the seventh element stored in foo, an array with 100 elements.

Question # 7

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

Question # 8

Which is the following is not a storage class in C.

Question # 9

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

Question # 10

An example of a value parameter is the code above is.

Question # 11

The number of arguments for realloc ( ) function is.

Question # 12

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

Question # 13

What is the associatively of the conditional operator.

Question # 14

A function protoype is

Question # 15

How is a variable accessed from another file.

Question # 16

"x" and "y" are called

Question # 17

Which of the following is "stringzizing operator"?

Question # 18

Write the last element of the following array.
Char flag [] =" FALSE"

Question # 19

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

Question # 20

Given b=110 and c =20, what is the value of 'a' after execution of the expression a = b -= c + =5?

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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
4 The associativity of ++ operator is
A. For arithmetic expression and
B. For pointer expression
C. For pointer expression and
D. For pointer express in and
5 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
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 Array are passed as the arguments to a function by
A. Value
B. Reference
C. Constant value
D. Both a and b
8 Which one of the following will read a character from the keyboard and will store it in the variable.
A. c = getc ()
B. getc (&c)
C. c = getchar ()
D. c = getchar (stdin)
9 The type of the controlling expression of a switch statement can not be of the type
A. Int
B. Char
C. Float
D. Long
10 Which of the following functions are used in unformatted data files.
A. Fscanf
B. Fwrite
C. Fread
D. fscanf & fwrite

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