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Monday, January 12, 2009

Introduction to computer

Overview of computer

A computer system has three main components which is hardware, software and people

Hardware
The computer itself-and its associated equipment.

Software
The instructions that tell computer what to do. Software is also referred to as programs. More specifically, a program is a set of step-by-step that direct computer to do the task wanted and produces desire results.

People
A computer programmer is a person who write programs. Most of us simply use computer software written by someone else. This means were are users or people who purchase and computer software.

Computer is a machine that accepts data(input) and process it into useful information(output). A computer system consists of four main areas of data of handling which is input, processing, output and storage.

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