Question:

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

Question:

Number of binary trees formed with 5 nodes are

A.

30

B.

36

C.

108

D.

42

Answer» d. 42

Question:

C is ______ Language?

A.

low level

B.

high level

C.

assembly level

D.

machine level

Answer» a. low level

Question:

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

Question:

The Default Parameter Passing Mechanism is called as

A.

call by value

B.

call by reference

C.

call by address

D.

call by name

Answer» a. call by value

Question:

What is Dequeue?

A.

elements can be added from front

B.

elements can be added to or removed from either the front or rear

C.

elements can be added from rear

D.

none of the above

Answer» b. elements can be added to or removed from either the front or rear

Question:

The _______ memory allocation function modifies the previous allocated space.

A.

calloc

B.

free

C.

malloc

D.

realloc

Answer» d. realloc

Question:

Which is the correct syntax to declare constant pointer?

A.

int *const constptr;

B.

*int constant constptr;

C.

const int *constptr;

D.

a and c both

Answer» d. a and c both

Question:

In which linked list last node address is null?

A.

doubly linked list

B.

circular list

C.

singly linked list

D.

none of the above

Answer» c. singly linked list

Question:

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