200 Level Computer Science exam questions and the detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
(a) What is a Windows Operating System?
(b) (i) Explain the terms “Preemptive policies” of OS
(ii) Describe the scheduler used by Windows NT (including 2000, XP, Vista, 7, and Server) in detail giving the merits/demerits

