Thursday, November 12, 2009

Desktop Computer

Detail in caming soon....

Computer for Individual User

Most computer are meant to be used by only one person at a
time. such computer are often shared by several people ,
but only user can work with the machine at any given moment

The six primary type of computer in this category are

1. Desktop Computer

2. Workstations

3. Notebook Computer

4. Tablet Computer

5. Smart Phones

These systems are all example of Personal computer
a term refers to any computer system that is designed for use by single person.
Personal computer are also called microcomputer, because they are among
the smallest computers created for people to use.
note however that the term personal computer or PC is most often used to describe
desktop computer, which you will learn about in the following section.

The Computer Defined

In basic terms, a computer is electronic device that processes data,
Converting it into information that is useful to people.
Any computer regardless of its type is controlled by programmed instructions,
which give the machine a pur-pose and tell it what to do.
A lesser - Known type of computer is the analog computer ,
which work in very different way from digital computer,
The earliest computer were analog computer ,
which work in very different way from digital computer.
The earliest computer were analog system ,and today's
system own a great deal to their analog ancestors.

Analog and Digital computer differ in many respects , but the
most important distinction is the way they represent data
as having one distinct value or another,
with no other possibilities.

Early analog computer were mechanical device,
weighing several tons and using motors and gears to perform calculations.

A More manageable type of analog computer is the old-fashioned slide rule .

Computer can be catego-rized in several ways.
for example , some are meant to be used by groups of people,
and some are not used by people at all.
They also can be catego-rized by their power,
which means the speed at which they operate and the type of tasks they
can handle.
Computer may be subcategorized by price,
the type of hardware they con-tain,the Kinds of softwer they can run,and so on .