The term Computer is used generally for any kind of Computing device. The word Computer which means to calculate. In fact, the purpose of inventing the Computer was to create a fast calculating device. Today’s more than 80% jobs performed by Computer.
The Computer is an electronic device, which technically a complex in shape but a very helping device.A Computer cannot think and decide on its own. Its need data and information for processing meaningful information. Data fed into the Computer through input devices like Keyboard and Mouse. It can perform a mathematical and logical operation and as well as sorting data at very high speed.