Three classifications of computers are home computers, portable computers, and business
computers. There are a lot of ways to describe computers. They imply the size, expected use or
capability of the computer, speed, and how much storage capability is there. Computers can
apply to virtually any device that has a central processing unit in it. People think of a computer
as a device that receives input through the internet, process it through a motherboard and
displays the results on a screen. Computers can be divided into three types according to the
purpose they are used for and their capabilities.
The most familiar type is the personal computer. It is designed for general use by a
single person or family. This is the PC that will be in the home, or small office. These
computers run on a Windows operating system. The expectation with the desktop systems is that
you will set up the computer in a permanent location. Most desktops offer more power, storage
and versatility for less cost than the portable laptop. On the other hand, the laptops - also called
notebooks - are portable computers that combine the display, keyboard, a mouse or pointing
device, processor, memory and hard drive. These laptops are becoming more popular, because
of their portability. The laptop also runs on a battery and is a little bigger than a text book. Some
laptops are very heavy, and some laptops are light.
A computer can also be used as a server. For this, it needs to be optimized to provide
services to other computers over a network. Servers usually have powerful central processing
units, lots of memory and large hard drives. Servers also have the capacity to store data related to
the company. If there is an Internet connection, a server also enables the company workers to
observe who is visiting their pages from which server. This helps develop businesses with
computers or terminals...
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