Vardhman Mahaveer Open University, question papers 2010 december Computer Fundamentals and System Software

Vardhman Mahaveer Open University, question papers 2010  december
PDCA-01
P.G.D.C.A. EXAMINATION,
December, 2010
COMPUTER FUNDAMENTALS AND SYSTEM
SOFTWARE
Paper-PDCA-01/M.Sc. (C.S.) (P)-01
(Computer Fundamentals and System Software)
Time allowed : Three hours
Maximum marks : 100
Attempt any five questions, selecting
one question from each Unit. All
questions carry equal marks.
Unit-I
1. Give definition and function of Compiler, Interpreter and
Assembler. Also write the configuration of a computer
system. 20
2. Explain the working of a Hard Disk drive. Also explain
following terms used in Hard Disks :
(i) Cylinder
(ii) Tracks and Sectors
(iii) Formatting
20
Unit-II
3. What is RAID ? Where it is used ? Explain pits and lands
in optical disks. 20
4. Explain the working of following input devices :
(i) OMR
(ii) Digital Camera
20
Unit-III
5. What do you mean by refresh rate and resolutions in
monitors ? Describe the use of Multimedia Kit. 20
6. Perform following conversions by showing all intermediate
steps :
(i) b25g10 ? b?g2
(ii) 110011 2 10 b g? b?g
(iii) 111000 2 8 b g? b?g
(iv) 2 16 10 bAFg? b?g
(v) 10101111 2 16 b g? b?g
20
Unit-IV
7. Explain the use of following with examples :
(i) ASCII
(ii) EBCDIC
(iii) XOR gate
(iv) Unicode
(v) BCD
20
8. Explain the differences between Multiprogramming and
Multitasking Operating Systems with examples. Also write
the application areas of Real-time and Distributed
Operating Systems. 20
Unit-V
9. Explain the working of following process scheduling
algorithms :
(i) Shortest Job First (SJF) Algorithm
700 2 PDCA-01 PDCA-01 3 PTO
(ii) Round-Robin Algorithm
(iii) FCFS Algorithm
20
10. Explain following terms in memory management :
(i) Paging
(ii) Segmentation
(iii) Contiguous and Non-Contiguous memory
allocation
20

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