(a) Differentiate between process and thread. (b) Draw and explain the process state transition diagram of an operating system. (c) What is deadlock…

(a) Differentiate between process and thread.

(b) Draw and explain the process state transition diagram of an operating system.

(c) What is deadlock in an operating system? What are the four necessary and sufficient conditions behind a deadlock?

(d) Consider that the following processes appeared according to the table below:

Process	Burst time (ms)	Priority
P₁	10	3
P₂	5	3
P₃	3	4
P₄	2	1
P₅	1	2

Considering the given information, produce Gantt charts for the following schedules –

(i) FCFS (ii) Non-preemptive (low value means higher priority) (iii) RR (Quantum value = 1)