Vacuum Tube; First generation computer;Generation computer; Computer type ; computer,generation of computer
 First Generation Computer
Transistot ; Second Generation computer; Computer type ; computer,generation of computer
Second Generation Computer
Integrated Circuit ; Third Generation computer; Computer type ; computer,generation of computer
Third Generation Computer

Microprocessor ; Fourth Generation computer; Computer type ; computer,generation of computer
 Fourth Generation Computer
Advance Microprocessor,Desktop computer, Fifth Generation Computer; Computer ; Generation of Computer
Fifth Generation Computer