UNIVERSITY EXAMINATIONS: 2018/2019
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN
INFORMATION TECHNOLOGY/ APPLIED COMPUTING/ BUSINESS INFORMATION
TECHNOLOGY
BIT 1109: COMPUTER ORGANISATION AND APPLICATIONS
BBIT102 COMPUTER ORGANISATION AND APPLICATIONS
FULL TIME/PART TIME/DISTANCE LEARNING
DATE: APRIL, 2019 TIME: 2 HOURS
DATE: APRIL 2019 TIME: 2 HOURS
INSTRUCTIONS: ATTEMPT QUESTIONS ONE AND ANY OTHER TWO
QUESTION ONE (30 MARKS)
a) Perform the following (show ALL your working)
i. convert 364 hexadecimal to decimal (2 Marks)
ii. convert 585 decimal to binary ( 2 Marks)
b) Explain FIVE advantages of tailor-made over the off-the -shelf packages (5 Marks)
c) You have been contracted to identify the computer to be used in engineering workshop.
Explain SIX factors would you take into account to short list the bidders (6 Marks)
d) Describe the FIVE computer language generations (5 Marks)
e) Explain the meaning of the following as used in computer networks (10 Marks)
i. Topology
ii. word length
iii. Protocol
iv. Intranet
v. fiber optic
QUESTION TWO (20 MARKS)
a) Describe the THREE main buses (6 Marks)
b) Abby company limited wants to change from traditional file processing approach which focuses on
informational needs of individual departments/applications to database approach. The company requests
you for advice on the database approach of file processing. Discuss with the company the following:
i. Define a database approach of file processing (2 Marks)
ii. Three major limitations of the traditional approach that will convince the client to change to database
approach (3 Marks)
iii. Three advantages of database approach (3 Marks)
iv. Three limitations of database approach (3 Marks)
c) Describe THREE types of impact printers (3 Marks)
QUESTION THREE (20 MARKS)
a) Outline any FOUR requirements for connecting to internet. (4 Marks)
b) Outline any FIVE signs of computer viruses. (5 Marks)
c) Using three examples, describe the term search engine. (4 Marks)
d) Ann a sales clerk in ABC &co keeps information about daily sales in a spreadsheet. She is worried that
information in this spreadsheet could be lost. Describe three precautions that she should take against
data loss. (3 Marks)
e) State and explain any FOUR features of windows desktop. (4 Marks)
QUESTION FOUR (20 MARKS)
a) Highlight THREE roles of computers in the Engineering department (3 Marks)
b) Discuss the following features in relation to Word processors:
i. Mail merge
ii. Thesaurus (2 Marks)
c) Explain the use of presentation software like power-point in today’s life (4 Marks)
d) Explain FOUR essential features of a spreadsheet package (4 Marks)
e) Explain FOUR factors to consider while selecting computer application software (4 Marks)
f) Distinguish between
i. application and system software (1 Mark)
ii. Loaders and linkers (1 Mark)
iii. Compilers and interpreters (1 Mark)
QUESTION FIVE (20 MARKS)
a) Explain how the following tasks can be executed in Ms-Excel
i. Adding numbers in a range (1 Mark)
ii. Calculating the monthly loan repayment for a loan. Suggest the principal, time and rate
(2 Marks)
iii. Calculate for mean value of numbers (1 Mark)
iv. Count occupied cell in a range (1 Mark)
b) Outline FIVE benefits of computer network to the organization. (5 Marks)
c) Explain SIX data types you may use in a Microsoft Access table (6 Marks)
d) Explain the function of the following features/tools in word Processing
i. Replace
ii. Frames
iii. Show/hide icon
iv. Mailing (4 Marks)
