C Programming Basic Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Computer Science FY (BSc CS) , Bachelor of Science in Computer Science SY (BSc CS) , Bachelor of Science in Computer Science TY (BSc CS) , Bachelor of Science in Information Technology FY (BSc IT) , Bachelor of Science in Information Technology SY (BSc IT) .

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1.	Who is father of C Language?
A.	bjarne stroustrup
B.	dennis ritchie
C.	james a. gosling
D.	dr. e.f. codd
Answer» B. dennis ritchie

2.	C Language developed at _____?
A.	at & t's bell laboratories of usa in 1972
B.	at & t's bell laboratories of usa in 1970
C.	sun microsystems in 1973
D.	cambridge university in 1972
Answer» A. at & t's bell laboratories of usa in 1972

3.	For 16-bit compiler allowable range for integer constants is ______ ?
A.	-3.4e38 to 3.4e38
B.	-32767 to 32768
C.	-32768 to 32767
D.	-32668 to 32667
Answer» C. -32768 to 32767

4.	C programs are converted into machine language with the help of
A.	an editor
B.	a compiler
C.	an operating system
D.	none of the above
Answer» B. a compiler

5.	A C variable cannot start with
A.	an alphabet
B.	a number
C.	a special symbol other than underscore
D.	both (b) and (c)
Answer» D. both (b) and (c)

6.	Which of the following is allowed in a C Arithmetic instruction
A.	[]
B.	{}
C.	()
D.	none of the above
Answer» C. ()

7.	Which of the following shows the correct hierarchy of arithmetic operations in C
A.	/ + * -
B.	* - / +
C.	+ - / *
D.	* / + -
Answer» D. * / + -

8.	What is an array?
A.	an array is a collection of variables that are of the dissimilar data type.
B.	an array is a collection of variables that are of the same data type.
C.	an array is not a collection of variables that are of the same data type.
D.	none of the above.
Answer» B. an array is a collection of variables that are of the same data type.

9.	What is right way to Initialization array?
A.	int num[6] = { 2, 4, 12, 5, 45, 5 } ;
B.	int n{} = { 2, 4, 12, 5, 45, 5 } ;
C.	int n{6} = { 2, 4, 12 } ;
D.	int n(6) = { 2, 4, 12, 5, 45, 5 } ;
Answer» A. int num[6] = { 2, 4, 12, 5, 45, 5 } ;

10.	An array elements are always stored in _________ memory locations.
A.	sequential
B.	random
C.	sequential and random
D.	none of the above
Answer» A. sequential

11.	What is the right way to access value of structure variable book{ price, page }?
A.	printf("%d%d", book.price, book.page);
B.	printf("%d%d", price.book, page.book);
C.	printf("%d%d", price::book, page::book);
D.	printf("%d%d", price->book, page->book);
Answer» A. printf("%d%d", book.price, book.page);

12.	perror( ) function used to ?
A.	work same as printf()
B.	prints the error message specified by the compiler
C.	prints the garbage value assigned by the compiler
D.	none of the above
Answer» B. prints the error message specified by the compiler

13.	Bitwise operators can operate upon?
A.	double and chars
B.	floats and doubles
C.	ints and floats
D.	ints and chars
Answer» D. ints and chars

14.	What is C Tokens?
A.	the smallest individual units of c program
B.	the basic element recognized by the compiler
C.	the largest individual units of program
D.	a & b both
Answer» D. a & b both

15.	What is Keywords?
A.	keywords have some predefine meanings and these meanings can be changed.
B.	keywords have some unknown meanings and these meanings cannot be changed.
C.	keywords have some predefine meanings and these meanings cannot be changed.
D.	none of the above
Answer» C. keywords have some predefine meanings and these meanings cannot be changed.

16.	What is constant?
A.	constants have fixed values that do not change during the execution of a program
B.	constants have fixed values that change during the execution of a program
C.	constants have unknown values that may be change during the execution of a program
D.	none of the above
Answer» A. constants have fixed values that do not change during the execution of a program

17.	Which is the right way to declare constant in C?
A.	int constant var =10;
B.	int const var = 10;
C.	const int var = 10;
D.	b & c both
Answer» D. b & c both

18.	Which operators are known as Ternary Operator?
A.	::, ?
B.	?, :
C.	?, ;;
D.	none of the above
Answer» B. ?, :

19.	In switch statement, each case instance value must be _______?
A.	constant
B.	variable
C.	special symbol
D.	none of the above
Answer» A. constant

20.	What is the work of break keyword?
A.	halt execution of program
B.	restart execution of program
C.	exit from loop or switch statement
D.	none of the above
Answer» C. exit from loop or switch statement

21.	What is function?
A.	function is a block of statements that perform some specific task.
B.	function is the fundamental modular unit. a function is usually designed to perform a specific task.
C.	function is a block of code that performs a specific task. it has a name and it is reusable
D.	all the above
Answer» D. all the above

22.	Which one of the following sentences is true ?
A.	the body of a while loop is executed at least once.
B.	the body of a do ... while loop is executed at least once.
C.	the body of a do ... while loop is executed zero or more times.
D.	a for loop can never be used in place of a while loop.
Answer» B. the body of a do ... while loop is executed at least once.

23.	A binary tree with 27 nodes has _______ null branches.
A.	54
B.	27
C.	26
D.	none of the above
Answer» D. none of the above

24.	Which one of the following is not a linear data structure?
A.	array
B.	binary tree
C.	queue
D.	stack
Answer» B. binary tree

25.	Recursive functions are executed in a?
A.	first in first out order
B.	load balancing
C.	parallel fashion
D.	last in first out order
Answer» D. last in first out order

C Programming Basic Solved MCQs

Who is father of C Language?

C Language developed at _____?

For 16-bit compiler allowable range for integer constants is ______ ?

C programs are converted into machine language with the help of

A C variable cannot start with

Which of the following is allowed in a C Arithmetic instruction

Which of the following shows the correct hierarchy of arithmetic operations in C

What is an array?

What is right way to Initialization array?

An array elements are always stored in _________ memory locations.

What is the right way to access value of structure variable book{ price, page }?

perror( ) function used to ?

Bitwise operators can operate upon?

What is C Tokens?

What is Keywords?

What is constant?

Which is the right way to declare constant in C?

Which operators are known as Ternary Operator?

In switch statement, each case instance value must be _______?

What is the work of break keyword?

What is function?

Which one of the following sentences is true ?

A binary tree with 27 nodes has _______ null branches.

Which one of the following is not a linear data structure?

Recursive functions are executed in a?

Queue is a _____________ list.

The statement print f ("%d", 10 ? 0 ? 5 : 1 : 12); will print?

To represent hierarchical relationship between elements, which data structure is suitable?

Which of the following data structure is linear type?

The statement printf("%c", 100); will print?

The _______ memory allocation function modifies the previous allocated space.

Number of binary trees formed with 5 nodes are

The "C" language is

The worst case time complexity of AVL tree is better in comparison to binary search tree for

In which tree, for every node the height of its left subtree and right subtree differ almost by one?

C is ______ Language?

The Default Parameter Passing Mechanism is called as

What is Dequeue?

In which linked list last node address is null?

Which is the correct syntax to declare constant pointer?

printf("%d%d", book.price, book.page);

A. double and chars

A. The smallest individual units of c program

A. int constant var =10;

A. Constant

A. Halt execution of program

26.	Queue is a _____________ list.
A.	lifo
B.	lilo
C.	filo
D.	fifo
Answer» D. fifo

27.	The statement print f ("%d", 10 ? 0 ? 5 : 1 : 12); will print?
A.	10
B.	0
C.	12
D.	1
Answer» D. 1

28.	To represent hierarchical relationship between elements, which data structure is suitable?
A.	priority
B.	tree
C.	dqueue
D.	all of the above
Answer» B. tree

29.	Which of the following data structure is linear type?
A.	strings
B.	queue
C.	lists
D.	all of the above
Answer» D. all of the above

30.	The statement printf("%c", 100); will print?
A.	prints 100
B.	print garbage
C.	prints ascii equivalent of 100
D.	none of the above
Answer» C. prints ascii equivalent of 100

31.	The _______ memory allocation function modifies the previous allocated space.
A.	calloc
B.	free
C.	malloc
D.	realloc
Answer» D. realloc

32.	Number of binary trees formed with 5 nodes are
A.	30
B.	36
C.	108
D.	42
Answer» D. 42

33.	The "C" language is
A.	context free language
B.	context sensitive language
C.	regular language
D.	none of the above
Answer» A. context free language

34.	The worst case time complexity of AVL tree is better in comparison to binary search tree for
A.	search and insert operations
B.	search and delete operations
C.	insert and delete operations
D.	search, insert and delete operations
Answer» D. search, insert and delete operations

35.	In which tree, for every node the height of its left subtree and right subtree differ almost by one?
A.	binary search tree
B.	avl tree
C.	threaded binary tree
D.	complete binary tree
Answer» B. avl tree