Jawaharlal Nehru Technological University Hyderabad 2006-2nd Sem B.E Computer Science OPERATING SYSTEMS AND SYSTEMS PROGRAMMING II B.TechRegular s, / set 1 - Question Paper

Code No: RR220503 Set No. 1
II B.Tech II Semester Regular Examinations, Apr/May 2006
OPERATING SYSTEMS AND SYSTEMS PROGRAMMING
(Computer Science & Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
? ? ? ? ?
1. (a) Distinguish the on-line and off-line operating system concepts. [8]
(b) Distinguish the buffering and spooling concepts. [8]
2. With Gantt-chart illustration, compare the CPU scheduling in non-preemptive SJF
from preemptive counterpart. [16]
3. (a) List the specification means of concurrent programs. [2]
(b) Write about any 1 in detail with illustrative examples, giving advantages
and disadvantages. [14]
4. (a) elaborate the various methods for managing deadlocks? [6]
(b) discuss how deadlocks are prevented. [10]
5. (a) discuss the logical memory concept used in paging. [6]
(b) With a neat hardware diagram, discuss the paging concept. [10]
6. (a) discuss the issue of Compaction. Mention a means for its elimination.
(b) elaborate the different choices for accommodating a file in free segments using
Contiguous disk file-allocation method. [8+8]
7. What is meant by assembling? discuss the different elements of assembly language
programming through a simple assembly program. [16]
8. (a) discuss the terms- macro and macro processor.
(b) List and brief the advanced macro features. [8+8]

Earning:   Approval pending.