Bud 004 Principles Of Information Technology Question Paper
Bud 004 Principles Of Information Technology
Course:Diploma In Business Management
Institution: Kca University question papers
Exam Year:2014
UNIVERSITY EXAMINATIONS: 2013/2014
STAGE I ORDINARY EXAMINATION FOR THE
CERTIFICATE/DIPLOMA IN BUSINESS MANAGEMENT
BUD 004 PRINCIPLES OF INFORMATION TECHNOLOGY
DATE: AUGUST 2014
TIME: 1 1/2 Hours
INSTRUCTION: Answer any THREE questions
QUESTION ONE: (20 MARKS)
a)
The diagram below represents functional components of a computer system.
Explain each component stating its role in data processing.
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(10 Marks)
b)
Describe the following types of computers highlighting on size, main memory capacity,
hard disk storage capacity, and number of processors, operating systems, display facility
and popular usage.
i. Mainframe.
ii. Super computer
iii. Minicomputer
iv. Personal computer.
v. Notebook computers
vi. Server
vii. Client
(10 Marks)
QUESTION TWO: (20 MARKS)
a)
The history of computer development is often referred to in reference to the different
generations of computing devices. Discuss the FIVE generations of computers
highlighting key features that identify each generation.
b)
The CPU is a very critical component of a computer system. Discuss functions and
characteristics of a CPU.
c)
(10 Marks)
(6 Marks)
The Main memory is classified into the following parts. Discuss them stating their
functions and characteristics.
i. RAM
ii. ROM
(4 Marks)
QUESTION THREE: (20 MARKS)
a)
Discuss Input and Output devices stating their roles and giving TWO relevant examples
of each. (8 Marks)
b) Discuss FOUR key factors to consider when selecting a suitable printer. (8 Marks)
c) Data Representation refers to the method used internally to represent information stored
in a computer. Computers store lots of different types of information, discuss the
following forms of data representation;
i.
Numbers
2
ii. Text
iii. Graphics of many varieties (stills, video, animation)
iv. Sound
(4 Marks)
QUESTION FOUR: (20 MARKS)
a)
Computers play a very critical role in the day to day. However, there are negative effects
of a computer system. Explain TEN detrimental effects of a computer system.
(10 Marks)
b)
Communication Channels are means by which data are transmitted from one device to
another in a network. Discuss the following communication media stating their
characteristics;
i. ii. Coaxial cables
iii. Fibre-optic cables
iv.
c)
Twisted pair/twisted wire
Wireless transmission
(8 Marks)
Discuss TWO types of wireless transmission media.
(2 Marks)
QUESTION FIVE: (20 MARKS)
a)
Discuss the following network topologies stating their characteristics, merits and
demerits.
i. ii. Ring topology
iii. Bus topology
iv.
b)
Star topology
Hybrid Network
(12 Marks)
Discuss the following types of networks;
i. LAN
ii. MAN
iii. WAN
iv. WLAN
(8 Marks)
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