Interview Questions

1. Which among the following is a linear Data Structure?

Options:

a. Queue

b. Stack

c. Linked List

d. All the above

Reveal Answer

2. Which among the following is a Dynamic Data structure:

Options:

a. Double Linked List

b. Queue

c. Stack

d. All the above

Reveal Answer

3. Stack is referred as:

Options:

a. Last in first out

b. First in First Out

c. Both A and B

d. None of the above

Reveal Answer

4. A stack is a data structure in which all insertions and deletions are made respectively at:

Options:

a. One end

b. In the middle

c. Both the ends

d. At any position

Reveal Answer

5. Evaluate the following prefix expression:*-+4 3 5 /+2 4 3

Options:

a. 4

b. 1

c. 8

d. None of above

Reveal Answer

6. Evaluate the following postfix expression :1 4 18 6 / 3 + + 5 / +

Options:

a. 8

b. 2

c. 3

d. u

Reveal Answer

7. The operation for adding an entry to a stack is traditionally called:

Options:

a. Add

b. Insert

c. Append

d. Push

Reveal Answer

8. Which of the following stack operations could result in stack underflow?

Options:

a. is_empty

b. pop

c. push

d. Two or more of the above answers

Reveal Answer

9. The link field in a node contains:

Options:

a. Address of the next node

b. Data of next node

c. Data of previous node

d. Data of current node

Reveal Answer

10. What kind of list is best to answer questions such as:”What is the item at position n?”

Options:

a. Lists implemented with an array

b. Doubly Linked lists

c. Singly linked list

d. Double linked or singly linked lists are equally best.

Reveal Answer

Interview Questions and Answer

1. Which among the following is a linear Data Structure?

2. Which among the following is a Dynamic Data structure:

3. Stack is referred as:

4. A stack is a data structure in which all insertions and deletions are made respectively at:

5. Evaluate the following prefix expression:*-+4 3 5 /+2 4 3

6. Evaluate the following postfix expression :1 4 18 6 / 3 + + 5 / +

7. The operation for adding an entry to a stack is traditionally called:

8. Which of the following stack operations could result in stack underflow?

9. The link field in a node contains:

10. What kind of list is best to answer questions such as:”What is the item at position n?”

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