Question 4 - MCQ Questions - Chapter 3 - Stacks

Last updated at August 14, 2026 by

When a stack is full and no element can be added, it is called an ________.

(A) Overflow

(B) Extra flow

(C) Out of range

(D) Underflow

 

Answer:

Trying to add an element to a stack that is full, leads to a condition called overflow.

Checking the options

  1. Overflow - Trying to add an element to a stack that is full, leads to overflow.
  2. Extra flow -   It is a concept in flow networks.
  3. Out of range - The error “list index out of range” arises in python if you try to access invalid indices of a list.

 

LIST INDEX OUT OF RANG ERROR - Teachoo.png

  • (D) Underflow - Trying to delete an element from a stack that is empty, leads to underflow.

Slide4.JPG

 

So, the correct answer is (A)

 

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Transcript

Question 4 When a stack is full and no element can be added, it is called an ____. (A) Overflow (B) Extraflow (C) Out of range (D) Underflow Trying to add an element to a stack that is full, leads to a condition called overflow. Checking the options (A) Overflow - Trying to add an element to a stack that is full, leads to overflow. (diagram on google slide) (B) Extraflow - It is a concept in flow networks. (C) Out of range - The error “list index out of range” arises in python if you try to access invalid indices of a list. (D) Underflow - Trying to delete an element from a stack that is empty, leads to underflow. So, the correct answer is (A)

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