Classification of Computer:

 On the basis of work:

1)   Analogue Computer    

2)  Digital computer     

3)  Hybrid Computer

On the basis of size:

·        Super computer

·        Mainframe computer

·        Mini  computer

·        Micro computer

·        Notebook computer

 On the basis of Brand:  

·        IBM-PC (International Business Machine-Personal Computer)

·        IBM Compatible

·        Apple/Macintosh

On the basis of Model:

·        XT (Extended Technology)

·        AT (Advanced Technology)

·        PS-2 (Personal System-2)