Computer working base catergorization Computer's working base four types : Microcomputer Mini computer Supercomputer Mainframe computer Mini computer : Mini computer are those devices have small size but performance same as computer for example : Mobile phone, tablets etc. these general purpose devices use as a mini computer. tablet mobile Mainframe computer : Mainframe computer is used for calculating big amount of data in industrial . Large scaling data processing in industrial use and it has large amount of memory . and it use critical database management in industries. Micro computer : Micro computer is very small expensive computer and smaller than mainframe and mini computer and also contain single integrated CPU and RAM and ROM and input and output devices. Super computer : Super computer is very high speed computer which are used for scientific research and Engineering works only. super computer ...