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Sit 105: Introduction To Computer Hardware Question Paper

Sit 105: Introduction To Computer Hardware

Course:Information And Communication Technology

Institution: Kenyatta University question papers

Exam Year:2010

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2010/2011
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
INFORMATION TECHNOLOGY
SEIT 105: INTRODUCTION TO COMPUTER HARDWARE

DATE: Thursday 2nd December, 2010

TIME: 2.00 p.m. – 4.00 p.m.
INSTRUCTIONS:
? Answer Question 1 and 2 other Questions.

Q.1) a)
Describe the function of the following buses in a standard computer
system:

i)
Address bus
ii)
Data bus
iii)
Control bus

(6 marks)

b)
i)
Using a labeled block diagram describe the main

components of a micro processor

(8 marks)

ii)
Explain the function of the following Units in a
Micro processor.

i)
The Accumulator
ii)
Instruction register
iii)
The program counter

(6 marks)

c)
i)
Differentiate between RAM and ROM

(2 marks)

ii)
Explain the primary function of BIOS

(2 marks)

d)
Describe 3 fundamental data storage technologies
(6 marks)

Page 1 of 2

Q.2) a)
i)
name and describe four types of point-and-draw

devices

(8 marks)
ii)
Differentiate between a track pad and a mouse
cursor.

(2 marks)
b)
Explain the meanings of the following terms used in scanners’
description.
i)
Optical character recognition (OCR)

(2 marks)
ii)
Bar codes

(2 marks)

c)
Name and explain three basic P.C printer technologies
(6 marks)
Q.3) a)
Name and explain the function of each of the three main parts

of a Microprocessor/CPU

(6 marks)

b)
i)
What is a Register in a Micro processor

(1 mark)

ii)
Name and describe one function of each of the five

registers in a micro processor

(10 marks)

c)
Describe the three major step a machine cycle follows to
carry out an instruction

(3 marks)
Q.4) a)
List 7 Measures used to determine the performance of a monitor and state

The Units used for each.

b)
Explain one merit and demerit of each of the following display systems.
i)
CRT
ii)
LCD
iii)
PLASMA

(6 marks)
Q.5) a)
Describe four steps that you would follow so as to reformat your hard

drive and install windows.

(8 marks)

b)
i)
What is a computer Mother board

(1 mark)

ii)
Explain 3 advantages of using Motherboards
(6 marks)

c)
i)
What is a computer Network interface Card?
(1 mark)
ii)
name the four techniques used to transfer data,
used by NIC.

(4 marks)

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Sit 105: Introduction To Computer Hardware Question Paper

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