A computer is a man made programmable electronic machine. That can store, retrieve, and process data according to a given set of instruction. It is a collection of Monitor, Key board, and Mouse. We can divide computers as classification of computers. They are,
- Laptop Computers
- Note Book Computers
- Palmtop Computers
- Mainframe Computers
- Supper Computers
We can divide computers in two parts. They are input devices and output devices. Examples for input devices and output devices devices.
Input devicesKey boardMouseCameras (Digital)MicrophoneScanner
Output devicesMonitor (CRT and LCD monitor)Printer (Dot-matrix, Inkjet, laser)Speakers
Computers has following characteristics,
- Speed
- Accuracy
- Diligence
- Versatility
- Power of remember
- No-Iq
Computer served a vast awareness for the people. Because of using this machine we can see great deal of technical development in the community. Looking at the past, we can say present situation of the computer technology is developed highly than the past. They are different from the shapes, sizes and usage. We can by various types of computers from the market. Computers is forward always from speed, correctness, skillful, and storing the data and getting back. It is faster than human. But human is needed for operating it. We know that computer is used for getting information from the planets in far away from the earth. It can join to the internet and obtain the information of financial, and security forces .We realize that computer is combined for the human like a skin a tree.