Question # 1

The arguments in main () function are known as.

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Program parameter

Command line arguments

Both a and b above

None of these

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

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b = 2a

b = a/2

a = b -1

b = a

The getchar () library function

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Returns a character when any key is pressed

Return multiple characters when the keys are pressed

Return multiple characters when the key are pressed followed by enter key

Return a single character when the keys are passed followed by enter key

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;

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Garbage and 7

7 and 3

3 and 7

3 and 3

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

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/

\

#

$

Element of the array are accessed by

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Index

Mathematical function

Accessing the function in built in data structure.

Int l;

A parameters in a function definition are known as.

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Actual parameters

Formal parameters

Dummy parameters

Optional parameters

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

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18

19

20

21

Suppose the return type of function f is void. Which one of the following statements is true.

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Function f does not contain a return statement.

Function f does not have parameters

Function f return a generic value

Function f does not work correctly

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

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Auto

Struct

Extern

Static

With the following declaration , the correct answer is.enum rgb (red = -1, green , blue)

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red = -1, green = -2, blue = -3

red = -1 , green = 0 blue = 1

red = -1 , green = 2 blue = 3

All above alternative are illegal declarations.

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

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The function return an integer

The function retern an integer

Function returning only the float values

The function return a non integer value.

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

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Int

Char

Float

Long

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

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EBCD system

BCD system

ASCII system

Binary number system

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

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Fscanf

Fwrite

Fread

fscanf & fwrite

String concatenating means.

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Combining two strings.

Extracting a substring out of a string.

Merging two strings.

Comparing the two string to define the larger one.

What is the output of the above program.

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5

8

Runtime error

Syntax error

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

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Getchar ()

fgets()

fscanf ()

scanf()

Array are passed as the arguments to a function by

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Value

Reference

Constant value

Both a and b

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

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c = getc ()

getc (&c)

c = getchar ()

c = getchar (stdin)

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PPSC Computer Science Chapter 8 C Programming Online Test MCQs With Answers

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