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Comp 100: Computer Applications Question Paper

Comp 100: Computer Applications

Course:Computer Applications

Institution: Kenya Methodist University question papers

Exam Year:2009

DEPARTMENT OF BUSINESS ADMINISTRATION
END OF TRIMESTER EXAMINATION- MAY-AUGUST 2009
COMP 100: COMPUTER APPLICATIONS
Answer Question one and any other two Time Allowed: 2HR

QUESTION ONE
a) Identify two uses of the computer output unit 2mk

b) Elaborate on four functions of the computer operating system 4mk

c) Convert the following numbers as required
I. 53.37510 X2 3mk

II. D9F16 X10 4mk

d) Why do computers operate in binary mode? 3mk

e) Write brief explanatory notes on the following
i) Central processing unit
ii) Control unit
iii) Main memory
iv) Arithmetic and logic unit 4mk

QUESTION TWO
a) Describe the use of the following shortcut keys
i) Ctrl A
ii) Ctrl F
iii) Alt+Tab
iv) Alt+ F4
v) Shift+Del
vi) Ctrl+Alt+Del 6mk

b) Distinguish between “computer worms” and “computer viruses” 4mk
c) How would you recognize a computer that is infected by viruses? 7mk
d) Recommend three ways in which an organization can control or reduce the risk of viral attacks 3mk

QUESTION THREE
a) Citing specific examples and their uses, describe five classes of packaged software 10mk
b) Explain the program and procedure you would follow to perform each of the following tasks

i) Transform a document title to capital letters
ii) Move a paragraph section of a document from the bottom of the document to the top
iii) Insert numbered bullets on an article
iv) Use a password to protect your private document
v) Change the name of an existing folder
vi) Compute the sum of a given row
vii) Arrange the salary figures of a particular column in an ascending order
viii) Add a new presentation slide
ix) Run a slide show
x) Insert the title of a document as a header

QUESTION FOUR

a) Describe three computer keyboard devices and three pointing devices 6mk

b) Explain four factors influencing the speed of a computer operation 8mk

c) Highlight three merits and three demerits of packaged software 6mk

Comp 100: Computer Applications Question Paper

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