Question

What is FIFO algorithm?

(a) first executes the job that came in last in the queue

(b) first executes the job that came in first in the queue

(c) first executes the job that needs minimal processor

(d) first executes the job that has maximum processor needs

The question was posed to me at a job interview.

Origin of the question is CPU Scheduling Algorithms-1 in division CPU Scheduling of Operating System

Answer 1

The correct option is (b) first executes the job that came in first in the queue

The best explanation: None.