MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DATA STRUCTURES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A LIFO structure where the last item of data added is the first to leave.
A
Stack
B
Queue
C
Graph
D
Linked list
Explanation: 

Detailed explanation-1: -A stack follows the LIFO (Last In First Out) principle, i.e., the element inserted at the last is the first element to come out. The insertion of an element into the stack is called push operation, and the deletion of an element from the stack is called pop operation.

Detailed explanation-2: -Last-In-First-Out In a LIFO data structure, the newest element added to the container will be processed first. Sometimes this will be called a stack and is usually pictured as below. The new element is always added at the end of the stack.

Detailed explanation-3: -LIFO is an abbreviation for last in, first out. It is a method for handling data structures where the first element is processed last and the last element is processed first.

Detailed explanation-4: -The data structure that implements LIFO is Stack.

Detailed explanation-5: -The full form of LIFO is Last In First Out. LIFO is one of the methods of processing data. It is the opposite of FIFO. LIFO works on the principle that the items that entered the last are the first to be removed. Computers sometimes deploy the method when extracting data from the data buffer or an array.

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