In FIFO scheduling, which process is executed first?

Correct option is B

The correct answer is (b) The process that arrives first
Explanation:
• FIFO stands for First In First Out.
• CPU executes processes in order of arrival.
• Simple non-preemptive scheduling algorithm.
• Used in basic operating system concepts.
Information Booster:
• FIFO is also called FCFS scheduling.
• Can cause convoy effect in CPU scheduling.
Additional Knowledge (Incorrect Options):
(a) Arrives last
• Opposite of FIFO principle.
(c) Shortest execution time
• Used in SJF scheduling.
(d) Highest priority
• Used in priority scheduling.