C Programming MCQ Question with Answers- Basic Quiz-2

1) Choose correct answer..

A) #include is a Preprocessor Directive

B) <stdio.h> is a header file with predefined functions like printf, scanf etc

C) 

#include

main()

{

}

is a mandatory function to be included in every C Program.

D) All the above

 

D

2) Correct way of commenting a single line is.?

A) /*printf("Hello C..");

printf("How are you.");

 

B) //printf("Hello C..");

printf("How are you."); 

 

C) /*printf("Hello C..");

printf("How are you.");*/ 

 

D) /printf("Hello C..");/

printf("How are you.");

B

3) Single Line Comment // is also called.?

A) C++ Style Comment

B) Java Style Comment

C) PHP Style Comment

D) All the above

D

4) Choose a correct statement.

A) C Compiler converts your C program into machine readable language.

B) C Editor allows you to type C Programs. It is just like a Notepad with extra options.

C) Console shows the output of a C Program if it is text output.

D) All the above

D

5) What is an Identifier in C Language.?

A) Name of a Function or Variable

B) Name of a Macros

C) Name of Structure or Union

D) All the above.

D

6) An Identifier may contain.?

A) Letters a-z, A-Z in Basic character set.

Unicode alphabet characters other languages

B) Underscore _ symbol

C) Numbers 0 to 9

Unicode Numbers in other languages

D) All the above

D

7) What is the number of characters used to distinguish Identifier or Names of Functions and Global variables.?

A) 31

B) 32

C) 33

D) 28

A

8) What is length of an Identifier that is unique for Non Global Variables and Non Function Names.?

A) 32

B) 63

C) 64

D) 68

B

9) An Identifier can start with.?

A) Alphabet

B) Underscore ( _ ) sign

C) Any character that can be typed on a keyboard

D) Option A & Option B

D

10) C Programs are used in .?

A) Any Electronic device which works on some logic and Operating System.

B) Washing machine

C) Fridge, Microwave Ovens

D) All the above.

D

11) What are the types of Constants in C Language.?

A) Primary Constants

B) Secondary Constants

C) Basic Constants and Advanced Constants

D) Primary Constants and Secondary Constants

D

12) Choose correct statements

A) A constant value does not change.

A variable value can change according to needs.

 

B) A constant can change its values.

A variable can have one constant value only.

 

C) There is no restriction on number of values for constants or variables.

 

D) Constants and Variables can not be used in a singe main function.

A

13) Find an integer constant.

A) 3.145

B) 34

C) "125"

D) None of the above

B

14) Find a Floating Point constant.

A) 12.3E5

B) 12e34

C) 125.34857

D) All the above.

D

15) Find a Character constant.

A) 'A' , 'a'

B) '1' , '9'

C) '$' , '#'

D) All the above.

D

16) A Variable of a particular type can hold only a constant of the same type. Choose right answer.

A) TRUE

B) FALSE

C) It depends on the place the variable is declared.

D) None of the above.

A

17) Choose a right statement.

A) int myage = 10;

int my_age = 10;

 

 

B) int myage = 10;

int my,age = 10;

 

C) int myage = 10;

int my age = 10;

 

D) All are right

A

18) Number of Keywords present in C Language are .?

A) 32

B) 34

C) 62

D) 64

A

19) Each statement in a C program should end with.?

A) Semicolon ;

B) Colon :

C) Period . (dot symbol)

D) None of the above.

A