Computer is a device that transforms data into meaningful information.
Types of computer on the basis of size and data handling capabilities.
Super computer
Mini computer
Personal computer
Digital computer
Functions
Super computer: the biggest and fastest computer. Process huge amount of data. Use for weather forecasting, scientific and engineering applications. (1976)
Mini computer: is medium size computer. Use in institutes, departments for accounting and management.
Functions
Personal computer: it has CPU input and output unit. Use for assignment, watching movie and office works. Laptop and desktop.
Digital computer can calculate and operate at high speed. All modern computers like smartphone.
