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Hlg 0205/Cit 0101: Introduction To Computers Question Paper

Hlg 0205/Cit 0101: Introduction To Computers

Course:Diploma In County Governance

Institution: Jomo Kenyatta University Of Agriculture And Technology question papers

Exam Year:2012

JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY
University Examinations 2012/2013
EXAMINATION FOR THE DIPLOMA AND CERTIFICATE IN COUNTY GOVERNANCE AND CERTIFICATE IN INFORMATION TECHNOLOGY

HLG 0205/CIT 0101: INTRODUCTION TO COMPUTERS

DATE: DECEMBER 2012 TIME: 1.30 HOURS

INSTRUCTIONS: ANSWER QUESTION ONE AND ANY OTHER TWO QUESTIONS

QUESTION ONE

(a) What is a computer [1 mark]
(b) Illustrate how computer components interact [2 marks]
(c) Explain the type of printers you would use giving reasons for each of the situations.
(i)Mass production of invoices and bank statements of customers [2 marks]
(ii)Printers of colored letterheads and business cards [1 mark]
(iii)When printing an Ai paper size document [2 marks]
(d) Define each of the following terms
(i)hardcopy
(ii)peripheral
(iii)hot fixies
(iv)potches [4 marks]
(e) State four symptoms that tell you computer is infected with virus [4 marks]
(f) Differentiate between each of the following terms:
(i)byte and megabyte
(ii)CD –R and CD RW
(iii)cold boot and warm boot [6 marks]

(g) What is a webmail? [2 marks]
(h) Give any two advantages of internet [2 marks]
(i) State with a reason, the most suitable device to back up the following files:
(i)A complete folder containing application software and its work files, amounting to 3GB of data.

(ii)A large number of folders containing installed operating system, application software and data files from a central server. [2 marks]

QUESTION TWO

(a) Differentiate between computer preventive maintenance and corrective maintenance
[4 marks]
(b) Differentiate computer preventive maintenance under the following heading:
(i)heat and dust build up [4 marks]
(ii)Electromagnetic/radio frequency interference [4 marks]
(iii)Power line noise [4 marks]
(iv)corrosion [4 marks]

QUESTION THREE

(a) A computer was purchased with the following specification:

A Intel CORE 2Quad A8200 (4MBN LZ, 2.33 GVZ)
B Genvine windows of home basic sedition
C 20” HD screen
D 16 x DVD+/- RW Drive
E 3GB DDR2 SDRAM at 800MHZ

Required:
Match the appropriate letter with the corresponding description of the computer above
(i)Operating system [1 mark]
(ii)main memory [1mark]
(iii)optional storage [1 mark]
(iv)secondary storage [1 mark]

(b) Using the information provided in (a) above state the following:
(i)size of the monitor [1 mark]
(ii)processor speed [1mark]
(iii)memory capacity [1 mark]
(iv)memory of RW [1 mark]
(c) Discuss the classification of computers under each of the following headings:
(i)super computers [3 marks]
(ii)mainframe computers [3 marks]
(iii)mini computers [3 marks]
(iv)micro computers [3 marks]

QUESTION FOUR

(a) Describe the distinguishing features of each of the following application packages as used in office procedures
(i)Microsoft office work 2010 [3 marks]
(ii)Microsoft office excel2010 [3 marks]
(b) What is a service program? [2 marks]

(c) Explain each of the following utilities

(i)firewalls [2 marks]
(ii)compression [2 marks]

(d) Describe any Four functions of windows 7 service pack 1, home basic operating system
[8 marks]

QUESTION FIVE

(a) What is e-government? [1 marks]
(b) Highlight any THREE benefits of e-government [6 marks]
(c) Explain any TWO major advantages of e-government implementation in Kenya.
[4 marks]
(d) Which input device is best suited to each of the computerized tasks below? Briefly describe a different device for each task and give reasons to justify your choice.
(i)Processing purchases at the checkout of a supermarket [3 marks]
(ii)Analyzing a large number of responses to a multiple choice questionnaire used in a customer satisfaction survey [3 marks]
(iii)Entering a large number of old customers’ records into a pc from previously typed case notes.

Hlg 0205/Cit 0101: Introduction To Computers Question Paper

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