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A queue follows __________

(a) FIFO (First In First Out) principle

(b) LIFO (Last In First Out) principle

(c) Ordered array

(d) Linear tree

My doubt is from Queue Operations topic in portion Abstract Data Types of Data Structures & Algorithms I

The question was asked in final exam.

1 Answer

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Best answer
Correct answer is (a) FIFO (First In First Out) principle

For explanation: Element first added in queue will be deleted first which is FIFO principle.

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