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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:2010

KENYA METHODIST UNIVERSITY

END OF 1ST TRIMESTER 2010 EXAMINATIONS

FACULTY : BUSINESS AND MANAGEMENT STUDIES
DEPARTMENT : BUSINESS ADMINISTRATION
COURSE CODE : COMP 100
COURSE TITLE : COMPUTER APPLICATION
TIME : 2 HOURS
INSTRUCTIONS
• Answer Question ONE and any other TWO Questions.

Question 1
a) Distinguish between the following pair of terms
i) Real time and Batch processing techniques (2Marks)
ii) Horizontal market and Vertical market software (2Marks)
iii) Baseband and Broadband transmission (2Marks)

b) Define the acronym GUI? (3Marks)

c) Why does an information system require feedback. (2Marks)

d) How is the performance of the CPU measured? (2Marks)

e) Identify and briefly explain three factors influencing the choice of a data selection method. (6Marks)

f) Explain and illustrate why organizations use hybrid network topologies. Give an example of a hybrid topology. (5Marks)

g) Computer system resources can be classified as either shareable or non-shareable. With relevant examples describe the two types of resources. (6Marks)

Question 2
A fruit processing firm is to acquire an information system to automate sales and marketing data processing operations.
a) Describe four factors the firm must consider in selecting a suitable data processing
method. (8Marks)

b) Outline typical characteristics of a transaction processing system. (6Marks)

c) Identify possible sales and marketing activities that batch and online processing could be applied by the firm. (6Marks)

Question 3
Common office packages include: - Word-processing, Spreadsheet, Database, Art and Presentation software. There are many versions of these office packages. Some Internet companies such as Google offer newer free online
versions that allow several people to collaborate (work simultaneously) on a task and save their work on the Internet company’s online server.
a) One company also offers a free online project management package. Which of these packages is most appropriate for the following tasks?
i) Writing a text document. (1mark)
ii) Storing records (1mark)
iii) Producing a graph (1mark)
iv) Doing calculations (1mark)
v) Producing a slide show for a talk. (1mark)
vi) Drawing a sketch of a machine part (1mark)

b) People using the free online packages are identified by their email address and also need to enter a password.
i) Explain why a password is required. (2marks)
ii) Give an example of how a group of students might find the online collaboration facility useful. (2marks)

c) Explain any three functions of the operating system. (6marks)

d) Define is a barcode and describe how barcodes are used in today’s business. (4marks)

Question 4
The diagram shown below was copied from a student’s notebook.

a) Correctly identify each of the parts labeled A to F. (6marks)

b) For each of the parts identified above, state the associated computing purpose. (6marks)

c) The communications channel is a broadband channel. Explain what is meant by broadband. (2marks)

d) Define the term ‘utility’. (2marks)

e) Give TWO examples of utility programs (4marks)

Question 5
a) Networks use either guided or unguided transmission media. Describe circumstances that make one type of transmission media more suitable than the other. (4marks)

b) The optic fiber cable is more secure and reliable compared to twisted pair and the coaxial cable. Justify why this is the case. (4marks)

c) Describe how Internet telephony has significantly reduced the cost of International calls.
(5marks)

d) Using a relevant illustration, clearly explain how a ring topology works.

Comp 100: Computer Applications Question Paper

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