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Cisy 101:Introduction To Computer Systems Question Paper

Cisy 101:Introduction To Computer Systems

Course:Computer Science

Institution: Kenya Methodist University question papers

Exam Year:2012

KENYA METHODIST UNIVERSITY

END OF 3''RD ''TRIMESTER 2012 (SCHOOL BASED) EXAMINATIONS
FACULTY : EDUCATION AND SOCIAL SCIENCES
DEPARTMENT : EDUCATION
UNIT CODE : CISY 101
UNIT TITLE : INTRODUCTION TO COMPUTER SYSTEMS
TIME : 2 HOURS

INSTRUCTIONS: ''''''Answer Question ONE and ANY Other TWO Questions

QUESTION ONE
a) Define the following terms: (3marks)
i) Computer network
ii) Computer virus
iii) Computer

b) Convert the following:
i) 1101012 to base 10 (2marks)
ii) 76148 to base 10 (2marks)
iii) 0.37510 to base 2 (2marks)
iv) A146 B16 to base 2 (2marks)

c) List any THREE components of a traditional LAN. (3marks)

d) What is a system and state five parts that make up a computer system?
(6marks)

e) State the steps that one will use to rename the sheet tab in excel.
(2marks)

f) Briefly explain 2 benefits and 2 negative impacts of computers to the society. (4marks)

g) Describe any THREE characteristics of good information. (3marks)

i) What is a modem? (1mark)

QUESTION TWO
a) Why is artificial intelligence needed in computing and business?(4marks)

b) Differentiate the following terms: (6marks)
i) Bit and Byte
ii) Data and Information
iii) Chart Sheet and Embedded chart

c) How has word-processing assisted in office automation? (2marks)

d) An operating system is one of the basic system software and it performs various functions including multitasking and multiprocessing. Briefly describe the terms multitasking and multiprocessing. (2marks)

e) What is the work of the office assistant? (1mark)

QUESTION THREE
a) State and briefly explain two benefits why information security necessary in computing. (4marks)

b) What are the effects of internet to the Kenyan Economy? Give two.

(2marks)
c) Define the following terms:- (2marks)
i) Trojan Horse
ii) Network topology

d) Microsoft powerpoint has four main views; state them (4marks)

e) State THREE symptoms of computers viruses. (3marks)

QUESTION FOUR
a) Define the following terms:- (3marks)
i) Desktop
ii) Icon
iii) Folder

b) In the computer architecture, what are the major elements of a computer
set. (5marks)

c) State and briefly explain TWO types of computers that are classified by type of data they accept. (2marks)

d) Define the following features found in spreadsheets. (3marks)
i) Sheet tab
ii) Formula bar
iii) Name box

e) Name two functions used in Excel. (2marks)

Cisy 101:Introduction To Computer Systems Question Paper

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