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

Code No: RR220503 Set No. 2
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
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1. (a) discuss how the developments in hardware and software have engendered the
concept of OS. [8]
(b) What is the significance of OS in a computer. [8]
2. (a) discuss the different kinds of CPU schedulers. [6]
(b) define the process management in UNIX SVR 4. [10]
3. (a) Distinguish a counting semaphore from a binary semaphore. [6]
(b) Write about their implementations. [10]
4. (a) State and brief the conditions for a deadlock formation. [8+8]
(b) Write and trace the Safety module (of Bankers’ Algorithm)
5. Write about paging, a memory management scheme, giving example, hardware
diagram, and page table implementation. [16]
6. (a) elaborate the various free-space management schemes? State their merits
and demerits.
(b) Write the merits and demerits (ONLY) of the different disk-file allocation meth-
ods. [8+8]
7. Considering a simple assembly language program, discuss the process of single-pass
assembling. [16]
8. (a) discuss the concept of Loading. [6]
(b) Brief the concept of Linking [6]
(c) Write about relocation briefly. [4]
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Earning:   Approval pending.