Question

how many types of operating system? explain

Answer 1

1. Serial Processing
2. Batch Processing
3. Multi-Programming
4. Real Time System
5. Multiprocessing
6. Distributed Operating System
7. Parallel operating systems

Answer 2

We have two type of os 
1) for MICRO COMPUTER
2) for MACRO COMPUTER




MICRO computer
 UNIX,androidm,windows,ios

MACRO COMPUTER
ms dos,windows,linux,mac

afte that

Mainframe computers
IBM,UNIX



Super computer
IRIX,UNIX