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Posted By: cdteja Member Level: Silver Posted Date: 25 Nov 2007
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2006 Jawaharlal Nehru Technological University jntu Question paper
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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: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions 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 one in detail with illustrative examples, giving advantages
and disadvantages. [14]
4. (a) What are the different methods for managing deadlocks? [6]
(b) Explain how deadlocks are prevented. [10]
5. (a) Explain the logical memory concept used in paging. [6]
(b) With a neat hardware diagram, explain the paging concept. [10]
6. (a) Explain the problem of Compaction. Mention a means for its elimination.
(b) What are the various options for accommodating a file in free segments using
Contiguous disk file-allocation method. [8+8]
7. What is meant by assembling? Explain the various elements of assembly language
programming through a simple assembly program. [16]
8. (a) Explain the terms- macro and macro processor.
(b) List and brief the advanced macro features. [8+8]
? ? ? ? ?
1 of 1
campusexpress.co.in
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: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) Explain 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) Explain the various types of CPU schedulers. [6]
(b) Describe 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) What are the different free-space management schemes? State their merits
and demerits.
(b) Write the merits and demerits (ONLY) of the various disk-file allocation meth-
ods. [8+8]
7. Considering a simple assembly language program, explain the process of single-pass
assembling. [16]
8. (a) Explain the concept of Loading. [6]
(b) Brief the concept of Linking [6]
(c) Write about relocation briefly. [4]
? ? ? ? ?
1 of 1
campusexpress.co.in
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: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) State the components of a computing system. [2]
(b) Justify the naming of operating system as control program [4]
(c) List the various mechanisms in the evolution of operating system, giving only
the merits and demerits of each. [8]
2. (a) With a neat sketch, explain 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) Discuss the suitability of a free-space management technique for a particular
disk-file allocation method. [6]
7. What is meant by assembling? Explain the various elements of assembly language
programming through a simple assembly program. [16]
8. Explain the design of a macro processor in detail giving format of data structures
used. [16]
? ? ? ? ?
1 of 1
campusexpress.co.in
Code No: RR220503 Set No. 4
II B.Tech II Semester Regular Examinations, Apr/May 2006
OPERATING SYSTEMS AND SYSTEMS PROGRAMMING
(Computer Science & Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) State the components of a computing system. [2]
(b) Justify the naming of operating system as control program [4]
(c) List the various mechanisms in the evolution of operating system, giving only
the merits and demerits of each. [8]
2. (a) State the criteria for evaluation of CPU scheduling algorithms.
(b) Compare and contrast multi-queue CPU scheduling algorithms (with and
without feedback). [12+4]
3. (a) Explain the root-cause for CSP (Critical Section Problem). [4]
(b) Write about the hardware solution with suitable example. [12]
4. (a) What is a deadlock? [6]
(b) State and compare the various deadlock handling methods. [6]
(c) What is a resource allocation graph? [4]
5. (a) Compare the memory management approaches in UNIX and Solaris. [10]
(b) What is meant by Relocation? [6]
6. (a) Write about free-space management techniques. [10]
(b) Discuss the suitability of a free-space management technique for a particular
disk-file allocation method. [6]
7. What is meant by assembling? Explain the various elements of assembly language
programming through a simple assembly program. [16]
8. (a) What is meant by a macro and macro processor?
(b) Distinguish the terminology: Macro definition, Macro call, Macro expansion.
[8+8]
? ? ? ? ?
1 of 1
campusexpress.co.in
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