Top MCQs on Algorithms | DSA Quiz for Beginners

Question 11

left-shifting an integer “a” with an integer “b” denoted as ‘(a<<b)’ is equivalent to

• multiplying a with 2^b (2 raised to power b).

• adding a to b

• dividing a with 2 raised to power b.

• None

Question 12

Which bitwise operator can be used to quickly check if a number is even or odd?

• | Bitwise OR operator

• & Bitwise AND Operator

• ^ Bitwise Exclusive OR

• ~~ Bitwise Negate Operator

Question 13

The left-shift and right-shift operators should not be used for ------numbers.

• positive

• real

• negative

• None

Question 14

Which searching technique takes O(1) time complexity for searching the data?

• Binary Search

• Linear search

• AVL search tree

• Hashing

Question 15

In simple chaining, what data structure is used?

• Singly linked list

• circular linked list

• Doubly linked list

• Binary trees

Question 16

What is the situation known as when a key different than the one required is maintained at the specified location?

• Collision

• Hashing

• Chaining

• Open Addressing

Question 17

In Hashing techniques, A key can be ......

• integer

• String

• either integer or string

• none

Question 18

What creates mapping betwwen key and value?

• collision

• Key

• Hash Table

• Hash function

Question 19

which condition is needed to stop the recursion otherwise infinite loop will occur.

• Base case

• Best case

• worst case

• None

Question 20

what issue may occur if the base case is not reached or is not defined?

• Program Crashes

• stack underflow

• stack overflow

• none