Master the C basics: 50 essential c language mcq quiz with solution:

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C Programming Language Multiple Choice Questions MCQ

Enhance your C programming skills with our targeted Multiple Choice Questions (MCQs). From basics to advanced concepts, assess your understanding, strengthen problem-solving abilities, and progress at your own pace. Perfect for all levels, our MCQs offer efficient and time-effective learning. Master C programming one question at a time!

1 / 50

Literal means

(A) a string.

(B) a string constant.

(D) an alphabet.

2 / 50

Choose the correct answer

(A) Casting refers to implicit type conversion.

(B) Coercion refers to implicit type conversion

(D) Coercion refers to explicit type conversion.

3 / 50

Recursion is sometimes called

(A) Circular definition

(B) Complex definition

(D) Union

4 / 50

The statement that transfers control to the beginning of the loop is called

(A) break statement

(B) exit statement

(d) goto statement

5 / 50

A variable which is visible only in the function in which it is defined, is called

(A) static variable

(B) auto variable

(D) local variable

6 / 50

Memory is made up of

(A) Set of wires

(B) Set of circuits

(D) All of these

7 / 50

Which of the following is FALSE in C

(A) Keywords can be used as variable names

(B) Variable names can contain a digit

(D) Capital letters can be used in variable names

8 / 50

6 The __________ statement causes immediate exit from the loop overriding the condition test

(A) Exit

(B) Break

(D) None of the above

9 / 50

The _______ operator is a technique to forcefully convert one data type to the others

(A) Cast

(B) Conversion

(D) Uniary

10 / 50

The break statement causes an exit

(A) Only from the innermost loop.

(B) Only from the innermost switch

(D) From the program.

11 / 50

scanf() can be used for reading

(A) double character

(B) single character

(D) no character

12 / 50

Unsigned integer occupies

(A) Two bytes

(B) Four bytes

(D) Eight bytes

13 / 50

‘C’ is often called a

(A) Object oriented language

(B) High level language

(D) Machine level language

14 / 50

Maximum number of elements in the array declaration int
a[5][8] is

a) 28

b) 32

c) 40

d) 42

15 / 50

A Link is............

A] a compiler

B] an active debugger

C] a C interpreter

D] a analyzing tool in C

16 / 50

Which of the following header file is required for strcpy() function?

A ] string.h

B] strings.h

C] files.h

D] strcpy()

17 / 50

Explicit type conversion is known as

A] Casting

B] Conversion

C] Disjunction

D] Separation

18 / 50

Which operator has the lowest priority?

A]++

B]%

C]+

D] ||

19 / 50

Which of the following operator has the highest precedence?

A ] *

B] ==

C] =>

D] +

20 / 50

C programming language was developed by....

A] Dennis Ritchie

B] Ken Thompson

C] Bill Gates

D] Peter Norton

21 / 50

Which among the following is a unconditional control structure?

A] do-while

B] if –else

C] goto

D] for

22 / 50

which of the following is an operator in ‘C’?

a) ,

b) @

c) #

d) None of these

23 / 50

Which special symbol is allowed for variable declaration ____________?

a.) Under Score ( _ )

b.) Tiled ( ~ )

c.) Caret ( ^ )

d.) Colon ( : )

24 / 50

a -=b is equivalent to ________________.

a.) a=b-a

b.) a=a-b

c.) b=b-a

d.) b=a-b

25 / 50

_____ and _____ are used to test more than one condition

a.) &&, ||

b.) =

c.) ==, !=

d.) <,

26 / 50

{ } are used to group statements together as in a function, or in the body of a loop. Such a
grouping is known as _________________.

a) Loop

b) Array

c) Statement

d) Block

27 / 50

< , > are used for __________________.

a.) Function Call

b.) Array

c.) Link to Header file

d.) Function Definition

28 / 50

Which is a storage class?

a.) auto

b.) static

c.) register

d.) All of above

29 / 50

Which is a relational operator?

a.) &&

b.) >=

c.) ? :

d.) /* ...... */

30 / 50

A ________ operator applies to two operands, while a _______ operator applies to a single
operand.

a.) Binary, Unary

b.) Ternary, Binary

c.) Unary, Ternary

d.) None of these

31 / 50

Which is the correct way to declare a pointer?

a.) int ptr;

b.) *int *ptr;

c.) int *ptr;

d.) *int ptr;

32 / 50

How many keywords are available in ‘C’?

a) 32

b) 34

c) 36

d) 38

33 / 50

C supports ________ Looping statements.

a) 5

b) 4

c) 3

d) 8

34 / 50

An Ampersand in scanf() before the name of a variable denotes ___________.

a.) Actual Value

b.) Variable Name

c.) Address

d.) Data Type

35 / 50

Which pair is used for single character I/O.?

a.) getchar() and putchar()

b.) scanf() and printf()

c.) input() and output()

d.) None of these

36 / 50

The operator & is used for _________.

a.) Bitwise AND

b.) Logical AND

c.) Pointer to the variable

d.) None of these

37 / 50

The operator && is used for ________.

a.) Value assignment

b.) Increment by 1

c.) Logical comparison

d.) Condition Checking

38 / 50

Which escape sequence character is used to beep from speaker?

a.) a

b.) b

c.) m

d.) n

39 / 50

Which escape sequence character is a line terminator?

a.) a

b.) b

c.) m

d.) n

40 / 50

Which is the valid range of “int” data type?

a.) 0 to 256

b.) -32768 to +32767

c.) -32767 to +32768

d.) No particular range

41 / 50

Which symbol is used to terminate a statement?

a) ?

b) :

c) ;

d) ~

42 / 50

Which of the following are tokens in C?

a) Keywords

b) Constants

c) Variables

d) All of above

43 / 50

Which of the following is a scalar data type?

a) Float

b) Array

c) Union

d) Pointer

44 / 50

Which symbol is used for pre-processor statement?

a.) !

b) ~

c) ;

d) #

45 / 50

What is the correct syntax to declare a variable in C?

A. variable x;

B. x = 5;

C. int x;

D. declare x;

46 / 50

In C, what does the #define preprocessor directive do?

A. It includes a header file.

B. It defines a constant or a macro.

C. It declares a function.

D. It initializes a variable.

47 / 50

What is the purpose of the log function in C?

A. It calculates the remainder of a division.

B. It calculates the square root of a number.

C. It raises a number to a specified power.

D. It computes the natural logarithm of a number.

48 / 50

In C, what is the purpose of the pow function?

A. It calculates the remainder of a division.

B. It calculates the square root of a number.

C. It raises a number to a specified power.

D. It finds the length of a string.

49 / 50

What is the significance of the #include directive in C?

A. Include a file in the program.

B. Declare a macro.

C. Define a variable.

D. Specify a function prototype.

50 / 50

Which of the following is a valid way to declare a string in C?

A. string str = "Hello";

B. char str[] = "Hello";

C. char* str = "Hello";

D. str = "Hello";

Your score is

The average score is 0%

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Master the C basics: 50 essential c language mcq quiz with solution:

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