FUNDAMENTALS OF INFORMATION TECHNOLOGY
ITEC1104
LECTURE NOTES
(FOR THEORY PORTION OF SYLLABUS ONLY)
© Copyright 2012
Mrs. G. Campbell
1
Fundamentals of Information Technology
TABLE OF CONTENTS
UNIT I - Introduction to Computers and Information Technology (6 hours) ........................... 6
Introduction to Information Technology .................................................................................... 6
Definition of Information Technology.................................................................................... 6
Purpose of Information Technology ....................................................................................... 6
Functions of Information Technology .................................................................................... 6
Benefits of Information Technology....................................................................................... 6
What is a computer?................................................................................................................ 7
Definition of computer system................................................................................................ 7
Definition of hardware ............................................................................................................ 7
Functions of computer systems ............................................................................................... 8
Computer design ......................................................................................................................... 9
Factors that influence design – operating environment, quantity of data, speed, physical size, power consumption, communication requirements ........................................................ 9
Categories ............................................................................................................................. 10
Personal (PC)/Micro-computer