BIT 1105  INTRODUCTION TO INFORMATION TECHNOLOGY KCA Past Paper

UNIVERSITY EXAMINATIONS: 2010/2011
FIRST YEAR EXAMINATION FOR THE DEGREE OF BACHELOR OF
SCIENCE IN INFORMATION TECHNOLOGY
BIT 1105: INTRODUCTION TO INFORMATION TECHNOLOGY
DATE: AUGUST 2011 TIME: 2 HOURS
INSTRUCTIONS: Answer question ONE and any other TWO questions

Question One
a) Briefly describe the following terms

i) Systems software (1 Mark)
ii) Operating systems (1 Mark)
iii) Application software (1 Mark)
iv)Server (1 Mark)
b) By use of examples, briefly explain the following terms
i) flow chart (2 Marks)
ii) Algorithm (2 Marks)
c) State and explain any three types of translators that are used in computer software development
(6 Marks)
d) Briefly describe the meaning of the term ‘data communications’. State and explain two categories of
communication hardware that are used to support data communication in computer networks
(6 Marks)
e) Distinguish between extranet and intranet. Give one example for each term (4 Marks)
f) There are several major types of information systems needed to support a variety of managerial end
user responsibilities. State and explain three types of these information systems. Give one
application example for each system (6 Marks)
Question Two
a)Briefly describe any Four responsibilities of information technology department that
are related to Network Administration and management function. (4 Marks)
b) The number of internet usage is increasingly becoming popular in modern society. Briefly explain
any five uses of internet (5 Marks)
c)Briefly explain the meaning of the term ‘CPU’. Describe any three components of a central
processing unit (6 Marks)
d) State and explain three main elements that are involved in computer communication (3 Marks)
e) Briefly explain the term ‘word wide web’ (2 Marks)
Question Three
a) Describe any four applications of computers in the modern society. (4 Marks)
b) Briefly explain the term ‘network protocols’ .Give two examples and where applicable, use
illustrations. (4 Marks).
c) To a developer, the problem is viewed from a development perspective. Describe the steps that
generally apply to computer problem solving in software development. (6 Marks)
d) Distinguish between machine language and assembly language. (2 Marks)
e) There are various types of documentation that can be compiled during software development
process. State and explain each of these three types. (4 Marks)
Question Four
a) Briefly describe the following concepts
i) Workstation (1 Mark)
ii) Computer ethics (1 Mark)
iii)Cyber crime (1 Mark)
b) Describe any three types of cyber crimes. Give one security measure that can be applied to protect
the system against each crime. (3 Marks)
c) Briefly explain the meaning of the term ‘Causal-responsibility’ (2 Marks)
d) Give four advantages of e-commerce in modern society (4 Marks)
e) Describe any four challenges modern organisations are facing as a result of embracing e-commerce
(5 Marks)
f) Outline any three characteristics of Bodily-Kinesthetic Intelligence (3 Marks)
Question Five
a) Briefly describe the meaning of the term ‘information flow management’ (2 Marks)
b) Outline any four objectives of a system that is used in information flow (4 Marks)
c) Briefly describe any three types of secondary storage that are used in information technology
(3 Marks)
d) Distinguish between hardware and software. Give one example for each term (4 Marks)
e) Describe four components of a computer system citing functions for each component (4 Marks)
f) Outline any three characteristics of an intelligent system (3 Marks)

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