COMPUTER SUPPORT AND MAINTENANCE - CICT SECTION 2

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WEDNESDAY: 28 MAY 2014
Answer ALL questions. Marks allocated to each question are shown at the end of the question
QUESTION ONE
(a)     Differentiate between “brownouts” and “saga”. (4 marks)
(b)     Enumerate three backup strategies. (3 marks)
(c)     Identify six reasons for partitioning hard disk. (6 marks)
(d)     Outline seven factors to consider when purchasing a printer. (7 marks)

QUESTION TWO
(a)     Explain three benefits of upgrading the following computer components:
                      (i)         Hardware. (3  marks)
                    (ii)         Software. (3  marks)
(b)     It is important to take care of your lap top to keep it operating well.
Required:
Outline six steps which you should take top ensure that your laptop lasts longer and requires less maintenance. (6 marks)
(c)     Briefly explain why a computer monitor running on windows operating system might show limited resolutions. (2 marks)

QUESTION THREE
(a)     Summarize eight advantages of liquid crystal display (LCD) computer monitors. (8 marks)
(b)     Public computers in libraries, internet cafes and copy shops can be considered safe for use if certain safety precautions are followed.
Required:
Suggest five safety precautions that you should take when using public computers. (8 marks)
(c)     Identify seven common electro-mechanical failures that could affect hard disks. (7 marks)

QUESTION FOUR
(a)     Random access memory (RAM) acts like a middleman, providing enough data from hard disk for the microprocessor to use at any given time without any delays
Required:
Examine the four levels of random access memory which exchange data with each other. (8 marks)
(b)     (i) Explain the term “computer motherboard”. (4 marks)
(ii) Identify six computer components which are attached to the motherboard. (6 marks)
(iii) Briefly describe how additional components could be attached to a motherboard. (2 marks)

QUESTION FIVE
(a)     Analyze four types of computer maintenance costs. (8 marks)
(b)     Identify six reasons for poor computer performance. (6 marks)
(c)     Describe three ways of dealing with electronic waste. (4 marks)

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