Friday, June 29, 2012

Introduction

An electronic device that stores, retrieves,
and processes data, and can be
programmed with instructions. A
computer is composed of hardware and
software, and can exist in a variety of
sizes and configurations.



Hardware & Software



The term hardware refers to the physical
components of your computer such as the
system unit, mouse, keyboard, monitor etc.








 




The software is the instructions that makes
the computer work. Software is held either
on your computers hard disk, CD-ROM,
DVD or on a diskette (floppy disk) and is
loaded (i.e. copied) from the disk into the
computers RAM (Random Access Memory),
as and when required.