What is a Computer?
A Computer is a machine that stores, retrieves and processes data. It can accept data then process it and lastly produces the output. A modern computer is a digital electronic machine which is used for various purposes such as web browsing, video audio editing, document writing, playing games, creating applications etc.
Computer makes the complicated task easier for the human. It is also used for the entertainment of people. It makes human life easy and simple.
A computer can be categorized in two parts:
- Hardware
- Software
A basic computer need the following hardware components-
- Memory
- Motherboard
- Mass Storage Device
- Input Device
- Output Device
- Central Processing Unit
Computer software are not the material form. The operating system and all its applications are software. It also includes all the executable and non-executable data, such as documents, libraries, digital media, online information etc.
A computer can be classified according to its power, capacity and size. Such as:
- Personal Computer
- Workstation
- Minicomputer
- Mainframe computer
- Supercomputer
- Laptop
Advantages of using a computer-
- Makes complicated task easier
- Saves a lot of time
- Connects to the Internet
- Store a huge amount of information
- Increase productivity
- Keeps you connected