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Cisy 101:Introduction To Computer Information Question Paper

Cisy 101:Introduction To Computer Information

Course:Computer Science

Institution: Kenya Methodist University question papers

Exam Year:2011

FACULTY : COMPUTING AND INFORMATICS

DEPARTMENT : CIS AND BIT

TIME : 2 HOURS

INSTRUCTIONS Answer Question ONE and any Other TWO Questions

Question 1

a) Discuss any three data security threats and how to control them. (6marks)

b) Convert the following number systems as required. 157.2510 as a binary number system. 21910 as an octal number system (4marks)

c) Explain the following internet terms:

i) Intranet

ii) Web browser

iii) Downloading (6marks)

d) What is a word processor? Give three advantages of a word processor. (4marks)

e) Discuss any four negative impacts of computers in the society. (4marks)

f) Describe the second, third and the fourth computer generations, citing the major distinguishing characteristics. (6marks)

g) Explain the two major components of a CPU and their functions. (4marks)

Question 2

a) Define the term computer system. (2marks)

b) Describe the distinguishing characteristics of the following memory types: RAM and ROM. (4marks)

c) Define the term operating system and outline four functions of operating system.(6marks)

d) Explain four applications of spreadsheet (4marks)

e) Briefly distinguish between the following terms:

i) Formatting and editing

ii) Save as and save commands (4marks)

Question 3

a) Differentiate the following terms data and information. (2marks)

b) Explain the four major components of information systems. (2marks)

c) Discuss three major roles of the information systems in business. (6marks)

d) Discuss any five types of information systems in supporting and enabling business core processes. (10marks)
Question 4

a) Distinguish between system and application software citing two examples. (6marks)

b) Explain the following types of memory: PROM, EPROM, EEPROM and Flash PROM. (4marks)

c) Explain any four registers in the CPU which help in execution of an instruction. (4marks)

d) Discuss the following types of networks: LAN, client server based, and peer to peer Networks. (6marks)

Cisy 101:Introduction To Computer Information Question Paper

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