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Dit 0101: Introduction To Computer Question Paper

Dit 0101: Introduction To Computer

Course:Diploma In Information Technology

Institution: Jomo Kenyatta University Of Agriculture And Technology question papers

Exam Year:2012

JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY
University Examinations 2012/2013
STAGE ONE EXAMINATION FOR DIPLOMA IN INFORMATION TECHNOLOGY

DIT 0101: INTRODUCTION TO COMPUTER

DATE: DECEMBER 2012 TIME: 1.30 HOURS

INSTRUCTIONS: ANSWER ANY THREE QUESTIONS

QUESTION ONE

(a) Define the following terms:
(i)Computer
(ii)Program
(iii)User
(iv)Data
(v)Information [5 marks]

(b) Discuss any four (4) functions of operating system software [[4 marks]

(c) Distinguish between :-
(i)Dynamic RAM and Static RAM
(ii)PROM and EPROM [4 marks]

(d) With the aid of a diagram, discuss the elements of a basic computer system [7marks]

QUESTION TWO

(a) Describe the following as used in computer based communication
(i)Server
(ii)Internet
(iii)E-commerce
(iv)Search engine
(v)MMS [5marks]

(b) Discuss any three (3) factors you would consider when purchasing a computer software
[3 marks]
(c) Outline the operations of the OMR opotical mark reader showing its area of application
[3 marks]
(d) Distinguish between
(i)WAN and MAN networks
(ii)Wired and wireless communication media [4 marks]
(e) With the aid of a suitable diagram describe the functional features of a had disc [5 marks]

QUESTION THREE

(a) Give the equivalent of the following
(i)Octal 67 to binary
(ii)Decimal 50 to hexadecimal
(iii)Binary 1121 to decimal
(iv)Hexadecimal ABC to decimal
(v)Octal 684 to decimal [10 marks]
(b) List five different types of utilities software [5 marks]

(a) Explain how each of the utility in (1) above functions [5 marks]

QUESTION FOUR

(a) Discuss five negative impacts of information technology to modern society[10marks]
(b) Distinguish between impact and non impact printers. For each state a suitable example
[2marks]
(c) Explain the three (3) examples of custom software [3marks]
(d) Utility software
File manager files to be copied
Disc scanner detect problems related to physical disks
Image viewer ………..users display the content of graphic
Back up utility Allow copies to be made
Uninstaller removes a previously installed program
Other utilities e.g screen savers, disk defragmentation files compression tools. [5 marks]

Dit 0101: Introduction To Computer Question Paper

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