Jawaharlal Nehru Technological University Hyderabad 2005-2nd Sem B.E Computer Science OPERATING SYSTEMS III B.TechSupplementary s, emr/emr - Question Paper

Code No: NR320401 NR
III B.Tech II Semester Supplementary Examinations,
November/December 2005
OPERATING SYSTEMS
( Common to Electronics & Communication Engineering and Electronics &
Instrumentation Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
? ? ? ? ?
1. Mention the different registers and their functions under the subsequent 2 categories.
(a) User-visible registers
(b) Control and status registers [8+8]
2. (a) describe the subsequent
i. Process
ii. Program
iii. Process control block
iv. Process Scheduling
(b) discuss the process State Transmission diagram with examples. [8+8]
3. elaborate the principles of concurrency and discuss the execution of the concurrent
process with a simple example. [6+6+4]
4. elaborate the principles of deadlock? And discuss in detail the 2 categories of
resources. [8+8]
5. (a) describe Memory Management.
(b) discuss in detail the requirements that memory management needs to satisfy
[4+12]
6. (a) elaborate the criteria based on which scheduling policies are evaluated.
(b) define round robbin and feedback scheduling policies. [8+8]
7. Write about
(a) Free space management
(b) Reliability of a file allocation [8+8]
8. (a) elaborate the different classes of intruders?
(b) explain about intrusion techniques. [8+8]

Earning:   Approval pending.