BAC1105BISF 1105BSD 1106 INSTALLATION AND CUSTOMIZATION.

UNIVERSITY EXAMINATIONS: 2017/2018
EXAMINATION FOR THE DEGREES OF BACHELOR OF SCIENCE IN
SOFTWARE DEVELOPMENT/ SECURITY & FORENSICS/APPLIED
COMPUTING
BAC1105/BISF 1105/BSD 1106 INSTALLATION AND CUSTOMIZATION
FULLTIME/ PART TIME
ORDINARY EXAMINATIONS
DATE: AUGUST, 2018 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.

QUESTION ONE [30 MARKS]
a) i) A computer chassis holds a number of things. Describe any FOUR of these (4 Marks)
ii) Describe any THREE input/output ports and state the function of each (6 Marks)
b) Explain the differences between the following installation and customization concepts:
i) SIMM and DIMM (4 Marks)
ii) SATA and PATA (4 Marks)
c) Define ROM BIOS and identify THREE purposes served by ROM BIOS (5 Marks)
d) Describe any THREE tools used by a PC repair technician (3 Marks)
e) Michael wishes to type his assignment on his desktop computer but the Word processing
program is taking too long to open. In fact, all programs on his computer run too slowly.
Offer advice of how this situation can be improved (4 Marks)

QUESTION TWO [20 MARKS]
a) The CMOS stores changeable information about our system.
i) Cite any TWO reasons why we might want to reset CMOS (2 Marks)
ii) Give the necessary steps for resetting CMOS (4 Marks)
b) Define the term “System maintenance” and briefly state its function (3 Marks)
c) Explain any THREE types of hardware maintenance. (6 Marks)
d) When working with any electrical device, disconnect power if you notice a dangerous
situation that might lead to electrical shock or fire. Describe any FIVE such potentially
dangerous situations (5 Marks)
QUESTION THREE [20 MARKS]
Explain the key steps involved in performing the following actions:
a) Installing a device driver (5 Marks)
b) Installing a wireless digital subscriber line (DSL) (5 Marks)
c) Partitioning an external USB hard drive (5 Marks)
d) Adding a new RAM chip to your computer (5 Marks)
QUESTION FOUR [20 MARKS]
a) What is a “device driver”? Briefly Explain (2 Marks)
b) Discuss any TWO purposes of device drivers (4 Marks)
c) Viruses are a major threat to electronic information:
i) Define the term “Computer virus” (1 Mark)
ii) Describe the THREE main components of a computer virus (3 Marks)
iii) Discuss any THREE classifications of computer viruses (6 Marks)
d) Distinguish between AC and DC as used in electronic hardware (4 Marks)
QUESTION FIVE [20 MARKS]
a) The disk operating system (DOS) consists of two parts, namely the kernel and the
command.com. Describe the functions of each (4 Marks)
b) Briefly describe the following MS-DOS commands:
i) MKDIR
ii) CLS
iii) PATH
iv) VERIFY
v) VOL
vi) TIME (6 Marks)
c) Explain what happens during the boot process (10 Marks)

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