a) What do you mean by Race Condition in O.S? State & explain differe…

Previous year question for Operating Systems.

Question

a) What do you mean by Race Condition in O.S? State & explain different methods used to prevent race conditions. (10)

b) In the FCFS CPU Scheduling Algorithm given below: -

Process ID | Arrival Time | Burst Time

P0 | 0 | 4

P1 | 1 | 3

P2 | 2 | 1

P3 | 3 | 2

Criteria: - Arrival Time? Mode: - Non-Pre-emptive?

CALCULATE: - COMPLETION TIME(CT), TURN ARROUND TIME(TAT) & AVERAGE WAITING TIME(AWT). (10)