Anna University Coimbatore 2010 B.E Computer Engineering PC hardware and troubleshooting-080230018 - Question Paper

ANNA UNIVERSITY OF TECHNOLOGY, COIMBATORE
B.E.,/B.TECH. DEGREE EXAMINATIONS: NOV/DEC 2010
REGULATIONS: 2008
FIFTH SEMESTER -CSE
080230018 PC HARDWARE AND TROUBLESHOOTING

PART-A
ans ALL ques.
1. describe an instruction cycle.
2. Specify the 2 kinds of controllers and provide a description of the identical.
3. List the available control signals.
4. Cache memory is used to minimize the idle time of the CPU - Justify.
5. Sketch the diagram of a mechanical key switch and tag its parts.
6. Distinguish ranging from impact and non-impact printers.
7. How is a trackball various from a mouse?
8. Mention the use of a joystick and annotate its working.
9. What is BIOS? What does it do on startup of a system?
10. When is a 'reset' control classified as hardware and software?
11. How does the interrupt logic handle an interrupt?
12. Indicate the purpose of 'retry logic' in a Hard Disk Controller.
13. The reliability of computer hardware is improved using a standard pre-shipment burn-in testing.
What is the procedure followed in such a testing?
14. On a motherboard, how can the heat generated by a CPU be reduced?
15. Mention the 2 typematic controls and their purpose in the advanced BIOS features setup.
16. Compare boot virus and file virus.
17. List any 4 symptoms that indicate a fault in a computer system.
18. describe a firmware.
19. When can you say that a system is dead? Suggest a few symptoms of a dead system.
20. By systematic troubleshooting, hardware issue can be easily identified and rectified.
Indicate the steps involved in it.

PART-B
ans ANY 5 ques.

21a). provide the block diagram of an ALU and discuss the different parts of it.(6)
b). When does a data fault occur? provide a detailed account of the popular fault detection
techniques.(6)

22a). discuss the working principle of a CRT display monitor with a neat diagram.(6)
b). State the advantage of a scanner input device. define the 4 common kinds of scanners.(6)

23a). The system box is the main body of a PC. Enumerate the main unit that can be identified
within a system box and provide a brief note on every.(6)
b). explain the operation of a Floppy Disk Controller with a neat sketch.(6)

24a). define the aspects to be considered in a pre-installation plan of a PC.(4)
b). Outline the steps involved in the assembling sequence of a PC and discuss the identical.(8)

25a). Tabulate the common issue sources, their effects and the corresponding preventive
maintenance actions to be taken.(6)
b). Brief out the choices available in DOS for data recovery.(6)

26a). explain in detail the kinds of troubleshooting tools.(4)
b). Explore the issue associated with a hard disk drive.(8)

27a). Write short notes on modem and fax modem.(4)
b). Write short notes on the anatomy of DOS.(8)

28a). Highlight the importance of Instruction Prefetch with a neat diagram.(6)
b). What does a POST message convey? explain the 5 various modes used by POST.(6)

Earning:   Approval pending.