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Dit 304: Principles Of Computer Support &Amp; Maintenance Question Paper

Dit 304: Principles Of Computer Support &Amp; Maintenance

Course:Diploma In Information Technology

Institution: Kca University question papers

Exam Year:2012

INSTRUCTIONS:
1. Answer Any THREE Questions.
2. All Questions Carry EQUAL Marks.
3. Time Allowed is 1hr 30mins.

Question One
a) Explain how one would troubleshoot and service a faulty power supply unit. [4 marks]

b) Joe realized on his personnal desktop that there was no display received from the VGA card despite all other system components functioning well.
i. Discuss two possible faults with the system and relevant solutions. [4 marks]
ii. Give two possible causes for the faults mentioned above. [2 marks]

c) Describe how you would mount four hard disks drivers on the same system unit and the best way they will appear in the Bios Set-up during POST Procedure. [5 marks]

d) Describe the main components of a computer system board. [5 marks]

Question Two
a) State the process of setting up logical locations on system physical drivers and give two reasons why we carry out the process. [5 marks]

b) Jewel noticed that she was in a boot failure environment. Highlight five possible causes of the stalemate caused from within the system unit. [5 marks]

c) Why do we have to discharge our body before handling any internal parts of computer system? [2 marks]

d) What are HOT SWAPPABLE devices? [2 marks]

e) Give the procedure of how one would install a PS2 KEYBOARD device while the computer is still on. [6 marks]

Question Three
a) Explain any two common keyboard errors and indicate possible solutions for the same. [4 marks]

b) Highlight the exact use of the following maintenance tools and equipment: [12 marks]
i. Multimeter.
ii. Punch down tool.
iii. Crimping tool.
iv. Blower.
v. Home dry cleaner.
vi. Soldering iron.

c) Discuss a boot order and how you would set it in the Bios. [4 marks]

Question Four
a) Explain how you would troubleshoot a newly installed printer that is not responding and provide the right steps involved in setting it up. [4 marks]

b) Explain the functions of the following printer hardware parts:
i. Fuser unit [2 marks]
ii. Laser unit [2 marks]
iii. Pick up rollers [2 marks]
iv. Cartridge and toners [2 marks]

c) Give the solutions for the following video display unit troubleshooting tips:
i. The picture does not appear [2 marks]
ii. The screen is NOT synchronized [2 marks]
iii. Shaking screen [2 marks]
iv. Sharp bright light at the centre H/Vertical [2 marks]

Question Five
a) Discuss four factors one would consider before purchasing a computer for official use. [8 marks]

b) List down two disk management tools and explain their purpose. [6 marks]

c) Mr. Kamau started his computer and after some minutes of operation the computer entered into a deadlocked state. He was not able to perform any task. Explain in detail three exact causes of the problem. [6 marks]

Dit 304: Principles Of Computer Support &Amp; Maintenance Question Paper

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