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Cisy 300:Computer Operating Systems I Question Paper

Cisy 300:Computer Operating Systems I

Course:Computer Science

Institution: Kenya Methodist University question papers

Exam Year:2015

KENYA METHODIST UNIVERSITY

END OF 1''st ''TRIMESTER 2015 (FT) EXAMINATION
FACULTY : COMPUTING & INFORMATICS
DEPARTMENT : COMPUTER SCIENCE
UNIT CODE : CISY 300/DCIS 103/DBIT 123
UNIT TITLE : COMPUTER HARDWARE AND MAINTENANCE
TIME : 2 HOURS

INSTRUCTIONS

Answer question One and any other Two questions.

Question One (30 marks)

In reference to hardware maintenance, state any two advantages of carrying out routine preventive maintenance.

(4 marks)

Using an illustration show the key parts of a hard disk drive.

(3 marks)

Discuss how you would set up a SCSI bus stating all the requirements.

(2 marks)

Explain how a parallel port differs from a serial point giving an example of each.

(3 marks)

State the symptoms (Any Two) of a failing P.S.U.

(2 marks)

State the differences between a CRT and LCD monitor.

(3 marks)

Highlight the five step trouble shooting process that one would follow in diagnosing a computer hardware issue.

(5 marks)

State any three precautions one would take to reduce E.S.D when working with P.C. components.

(3 marks)

List any three cables that are used in networking and the connectors points generally associated with them.

(3 marks)

Describe the utility of a UPS in computer systems.

(2 marks)

Question Two (15 marks)

Discuss four functions of the Bios.

(4 marks)

What is the function of a system board?

(2 marks)

Using an illustration show and explain at least six key components of a motherboard giving functions of each.

(9 marks)

Question Three (15 marks)

Primary memory is commonly referred to as RAM which is a temporary storage area utilized by the CPU. List and explain any two types of DRAM memory modules found in the market.

(6 marks)

Differentiate between active and passive maintenance procedures.

(3 marks)

Explain the purpose of the P.O.S.T (Power Or Self-Test) in a computer system.

(6 marks)

Question Four (15 marks)

Describe the key factors one should consider when selecting a computer to purchase

(6 marks)

Explain the TWO key microchips that make up the motherboard chipset.

(4 marks)

Explain the functions of the following tools:

(5 marks)

Blower
Lint-free dusters
Crimping tool
Multi meter
Boot disc

Cisy 300:Computer Operating Systems I Question Paper

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