ISRO 2011-ECE Operating System

Question

A run-time stack cannot be used in a round-robin scheduling system because of the _______ nature of scheduling.

a. LIFO (Last in First out)

b. FIFO ( First in First out)

c. FILO (First in Last out)

d. None of the above

Answer 1

Option B] FIFO(First In First Out)

Remember? when solving problems on RR cpu scheduling we keep track of unfinished job in QUEUE.

HenceTheAnswer

Answer 2

B. FIFO

because Round Robin use time slice with FIFO and stacks use LIFO

Answer 3

Ans (b) FIFO

RR scheduling uses queue to implement scheduling more precisely circular queue and queue follow FIRST IN FIRST OUT rule FIFO.

whereas stack is based on LIFO or FILO.