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Principles Of Computer Support And Maintainance Question Paper

Principles Of Computer Support And Maintainance

Course:Bachelor Of Science In Information Technology

Institution: Masinde Muliro University Of Science And Technology question papers

Exam Year:2009

EXAMINATION FOR THE BACHELOR OF SCIENCE DEGREE IN INFORMATION
TECHNOLOGY
PRINCIPLES OF COMPUTER SUPPORT AND MAINTAINANCE
DATE: DECEMBER 2009 TIME: 1½HOURS
INSTRUCTIONS: Answer any THREE questions
QUESTION ONE (20 Marks)
a) The physical components of a computer are grouped into internal components and external
components
i). LIST any FOUR components found on the computer’s motherboard. (4 Marks)
ii). What is DRAM? State two reasons why DRAM is not used in cache memory.
(3 Marks)
iii). Discuss any five ports found on a computer system to link it to the external components.
(5 Marks)
b) Discuss the procedure for assembling a computer system. (8 Marks)
QUESTION TWO (20 Marks)
a) Distinguish between primary partition and extended partition (2 Marks)
b) Discuss how you would install and configure the following:
i. RAM
ii. Processor
iii.CD-ROM Drive (9 Marks)
c) Musa wants to buy a laptop computer. As his computer advisor, describe the features that you
would give him on how to select the best laptop. (5 Marks)
d) Describe the following microprocessor’s operating modes
i). Real mode
ii). Protected mode (4 Marks)
QUESTION THREE (20 Marks)
a) Computers have expansion slots on the motherboard to install adapter cards
i). Describe any three types of expansion slots. (6 Marks)
ii). Describe three factors to consider while selecting an adapter card. (3 Marks)
b) Describe the boot process. (6 Marks)
c) What is motherboard form factor? Give four types of motherboards (5 Marks)
QUESTION FOUR (20 Marks)
a) Mark started his computer and realized the following:
Indicator light of the floppy disk drive never goes on.
Explain TWO possible causes of above problem and their possible solutions. (4 Marks)
b) Using a diagram, explain how the AC power from the mains is converted to the DC power by
the computer’s power supply unit for distribution to the computer components. (6 Marks)
c) Discuss the procedure for installing a Windows based operating system. (10 Marks)
QUESTION FIVE (20 Marks)
a) Differentiate between active and passive preventive maintenance procedures (2 Marks)
b) Explain how you would clean and/ or maintain the following:
i. System unit
ii. Hard disk
iii. Keyboard and mouse (9 Marks)
c) Describe how viruses spread from one computer to another. (5 Marks)
d) Outline any four symptoms of viruses in a computer system. (4 Marks)

Principles Of Computer Support And Maintainance Question Paper

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