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 getchar ()function reads a

Question # 2

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

Question # 3

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

Question # 4

In mixed mode expressions.

Question # 5

The function used to position the file pointer in C is

Question # 6

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

Question # 7

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

Question # 8

Multiple macro can be defined by placing _____ at teh end of each line except the last.

Question # 9

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

Question # 10

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

Question # 11

Which of the following function calculates the square of 'X' in C.

Question # 12

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

Question # 13

"c" is called.

Question # 14

# define preprocessors command can be used for defining.

Question # 15

What does the "auto" specifier do.

Question # 16

The function sprint ( ) works like print f ( ) , but operates on.

Question # 17

int *p[5] ; is used for

Question # 18

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

Question # 19

The address of the starting element of an array is.

Question # 20

The benefit of using enumeration data types in a program is

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Sr.# Question Answer
1 In mixed mode expressions.
A. Operands of lower type get automatically converted to higher type
B. Operands of higher type get automatically converted to lower type.
C. Operands of higher and lower type get in there changed
D. Operands of lower type get automatically converted to lower type.
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")
A. Syntax Error
B. 1
C. 10
D. 100
3 What's wrong in the following statement provide K is a variable of type Int.
(k=2 , k <= 12, k++)
A. The increment should always be ++k
B. The variable must always be the letter i when using a for loop
C. The variable k can't be initialized
D. The commas should be semicolons.
4 A parameters in a function definition are known as.
A. Actual parameters
B. Formal parameters
C. Dummy parameters
D. Optional parameters
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 If a = Oxaa and b = a << 1 then
A. b = 2a
B. b = a/2
C. a = b -1
D. b = a
7 How many characters can is string hold when declared as char name [20];?
A. 18
B. 19
C. 20
D. 21
8 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():
9 The function sprint f ( ) works like print f ( ), but operates on.
A. Data file
B. String
C. Stderr
D. Stdin
10 What is the reslutl of the expression 6+12*3 -4/2?
A. 22
B. 25
C. 40
D. 45
11 Identify the correct statement from the following statements.
A. Typedef int integer
B. Typedef int integer;
C. Typedef int = integer :
D. Typedef integer int ;
12 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
13 The declaration "void foo (int, x int & y)" is called a
A. Function body
B. Function type
C. Function stereotype
D. Function prototype
14 What is the output of the above program.
A. 5
B. 8
C. Runtime error
D. Syntax error
15 String concatenating means.
A. Combining two strings.
B. Extracting a substring out of a string.
C. Merging two strings.
D. Comparing the two string to define the larger one.
16 Which of the following is a not a keyword in C langauge.
A. Void
B. Volatile
C. Short
D. Gatchar
17 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;
A. Garbage and 7
B. 7 and 3
C. 3 and 7
D. 3 and 3
18 The benefit of using enumeration data types in a program is
A. Program becomes shorter
B. Program becomes longer
C. Program is easy to understand
D. Program become complex
19 The number of arguments for realloc ( ) function is.
A. 0
B. 1
C. 2
D. 3
20 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.

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