JKUAT MAIN CAMPUS JUJA Bachelor of Commerce (Commerce) Introduction To Computer Systems  Question Paper

Exam Name: Introduction To Computer Systems 

Course: Bachelor of Commerce (Commerce)

Institution/Board: JKUAT MAIN CAMPUS JUJA

Exam Year:2011



WI-2-60-1-6
JOMOKENYATTA UNIERSITY OF AGRICULTURE AND TECHNOLOGY
UNIVERSITY EXAMINATIONS 2011/2012
YEARONE SEMESTER ONE EXAMINATION FOR THE DEGREE OF COMMERCE
HBC 2118: INTRODUCTION TO COMPUTER SYSTEM
DATE AUG 2010 TIME: 2 HOURS
INSTRUCTIONS;
Question ONE is compulsory

Answer THREE other questions

a) Alderman Poulson discovered magnetic storage media principle,using two examles explain the importance of this discovery in todays computers. 4marks

b)Relate computer software to human education and intelligence 5marks

c)With reference to system development explains human factor feasibility. 5 marks

d)The human processing system has three types of memories,long term memory,short term memory and external memory.Relate these memories to computer system. 6)marks

e)Describe one computer network security . 5marks

f)Using examples , explain apoint of sale terminal. 5marks

g)Describe a modem as used in data communications. 5marks

h)Using examples differenciate between data and information. 5marks

QUESTION TWO:

A)Discuss the control/security system of information system. 10marks

b)With reference to data processing,explain the elements of acomputer file. 10 marks

QUESTION THREE:

A)With reference to computer evolution ,outline the trends in computer technology. 8 marks

B)Explain three benefits of computer networks 12 marks

QUESTION FOUR:

A)Discuss two characteristics of an operating system. 10 marks
b)With reference to system development ,explain how one can minimize information entry time of a user. 10 marks

QUESTIN FIVE:

A)The memory of a computer system consists of functional or storage areas , explain two of these areas. 10 marks

b)Outline five computer crimes. 10 marks



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