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

Which of the following is not a correct variable type.

Question # 2

What's wrong in the following statement provide K is a variable of type Int.
(k=2 , k <= 12, k++)

Question # 3

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

Question # 4

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

Question # 5

C program language vas developed by.

Question # 6

The function 'foo' returns the following type as result.

Question # 7

A parameters in a function definition are known as.

Question # 8

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

Question # 9

When function is recursively called all the automatic variable are stored in a.

Question # 10

A function protoype is

Question # 11

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

Question # 12

When a program is running the value of a constant

Question # 13

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

Question # 14

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 # 15

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 # 16

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

Question # 17

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

Question # 18

String concatenating means.

Question # 19

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

Question # 20

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

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PPSC ComputerScience Chapter 8 Important MCQ's

Sr.# Question Answer
1 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.
2 With the following declaration , the correct answer is.enum rgb (red = -1, green , blue)
A. red = -1, green = -2, blue = -3
B. red = -1 , green = 0 blue = 1
C. red = -1 , green = 2 blue = 3
D. All above alternative are illegal declarations.
3 If a = Oxaa and b = a << 1 then
A. b = 2a
B. b = a/2
C. a = b -1
D. b = a
4 The function sprint f ( ) works like print f ( ), but operates on.
A. Data file
B. String
C. Stderr
D. Stdin
5 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
6 How many characters can is string hold when declared as char name [20];?
A. 18
B. 19
C. 20
D. 21
7 It is necessary to declare the type of the function in the calling program if.
A. The function return an integer
B. The function retern an integer
C. Function returning only the float values
D. The function return a non integer value.
8 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
9 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
10 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

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