Introduction To Computer Systems Question Paper
Introduction To Computer Systems
Course:Bachelor Of Commerce
Institution: Jomo Kenyatta University Of Agriculture And Technology question papers
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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