Jawaharlal Nehru Technological University Hyderabad 2006-2nd Sem B.E Computer Science OPERATING SYSTEMS AND SYSTEMS PROGRAMMING II B.TechRegular s, / set 3 - Question Paper

Code No: RR220503 Set No. 3
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) State the components of a computing system. [2]
(b) Justify the naming of operating system as control program [4]
(c) List the different mechanisms in the evolution of operating system, giving only
the merits and demerits of every. [8]
2. (a) With a neat sketch, discuss the process control block. [6]
(b) Write about the preemptive SJF CPU scheduling algorithm giving merits and
demerits. [10]
3. Compare and contrast the concurrency specification constructs- fork-join and con-
current statement, with examples. [16]
4. (a) Write the Bankers' algorithm. [10]
(b) Illustrate the above algorithm by taking a typical snapshot of a system. [6]
5. Write about a combined memory management scheme-segmented paging- giving an
example, and hardware diagram. [16]
6. (a) Write about free-space management techniques. [10]
(b) explain the suitability of a free-space management technique for a particular
disk-file allocation method. [6]
7. What is meant by assembling? discuss the different elements of assembly language
programming through a simple assembly program. [16]
8. discuss the design of a macro processor in detail giving format of data structures
used. [16]
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Earning:   Approval pending.