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Posted By: CONFIDENCE IS THE COMPANION OF SUCCESS Member Level: Diamond Posted Date: 17 Apr 2008
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2007 Anna University B.Sc Computer Science PC TESTING AND TROUBLE SHOOTING Question paper
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B. Sc. DEGREE EXAMINATION
PC TESTING AND TROUBLE SHOOTING
Time : Three Hours
Maximum : 100 marks
Answer ALL quextions
PART A – (10 X 2 = 20 marks)
1. State the Purpose of Documentation.
2. What is Inspection ? Why is it necessary?
3. Differentiate extended memory from expanded memory.
4. What are the drawbacks of a PCI bus?
5. Why does floppy controller logic in a PC not have a sector buffer, unlike hard disk controller logis?
6. Why does the recording problems handled in a floppy Disk Drives (FDDs)?
7. List out the various factors involved in power protection systems.
8. What is A20 Gate?
9. Give the functionalities of anti-virus tools.
10. What are the troubleshooting issues handled when DOS is loaded and started?
PART B – (5 X 16 = 80 marks)
11. (a) (i) Compare and contrast the Tehnical Reference Manuals and Hardware Maintenance Manuals. (8)
(ii) Write short notes on :
1. Hand Tools (8)
2. Loop Back Connectors
(or)
(b) (i) What are the functionalities of Logic Probes and Logic Pulsers? Explain (8)
(ii) Elaborately discuss on the Disassembly Procedures (8)
12. (a) (i) State the advantages and disadvantages of the different types of buses – ISA bus,
EISA bus, VESA bus and PCI bus. Give their uses. (10)
(ii) Differentiate the various factors that distinguish a physical memory with that of
Testing memory.
(or)
(b) Explain in detail the design of 386 Motherboard logic with a neat sketch and compare
Its features with that of 486 Motherboard (16)
13. (a) Describe the various issues that should be taken care during Drive Installation. Discuss on the troubleshooting and correcting procedures. (16)
(or)
(b) (i) with a neat diagram analysis the different features of a floppy disk
Construction. (6)
(ii) Discuss the logic behind formatting a floppy (4)
(iii) Explain the FDD Interface and FDD Interface lines (6)
14. (a) (i) How is a PC saved from most of the problems by proper maintenance? Tabulate
The various problem sources, failures and causes and what are the respective
Preventive maintenance actions considered? (10)
(ii) What is meant y dedicated data backup hardware? Explain (6)
(b) (i) What are the features that could be upgraded in a system?
(ii) Discuss how system speed e improved. Sate the advantage and disadvantage
In the upgradation of system memory. (6+6+4)
15. (a) Explain the nodal tester and system tester troubleshooting tools and elaborate on
The four categories of troubleshooting approaches (16)
(b) (i) Discuss in detail the Pro-Norton Diagnostics and Norton utilities (8)
(ii) what are the functions of file management in a DOS environment ?
State the troubleshooting processes in DOS operating system (8)
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