What is computer?
A computer is an electronic device, which can accept, process, store and retrieve data and information according to given set of instructions. There are mainly four types of computer: hggghggfd Micro Computer Mini Computer Mainframe Computer Super Computer According to technical sector, computer is categorize into four area: Hardware Software Firmware Liveware 1. Hardware : All the physical components of the computer are called Hardware. e.g.- Keyboard, Mouse, Scanner, Joystick, CPU, Monitor, Printer, Projector etc. There are four types of Hardware devices in computer: Input Device : It is a device which is use to feed data into the computer for processing. e.g.- Keyboard, Mouse, Scanner, Joystick etc. Processing Device : It is a device which is use to process any data according to given instructions. e.g.- CPU (Central Processing Unit). Storage Device : It is a device which is use to store any data and information into the computer's memory. e.g.- Hard Disc, F...