Computer Categories Tutorial
There are many ways to categorize computer...
- Categories of computer on the basis of Generation:
- Categories of computer on the basis of Class.
TYPES OF COMPUTER ON BASIS OF
GENERATION:
o 1st Generation Computer:
1950`s Vaccum tube based e.g UNIVAC...
o 2nd Generation Computer:
1960`s Transistor based,
o 3rd Generation Computer:
1960`s Integrated Circuits,
o 4th Generation Computer:
1970`s LSI enabled thousands of circuits to be incorporated on single silicon
chip e.g microprocessor...
o 5th Generation Computer:
VLSI with sophisticated approach(). 1980`s onward...
TYPES OF COMPUTER ON BASIS OF CLASS:
There are three types of computer,
ANALOG DIGITAL HYBRID
Ø ANALOG:
Analog computers operate data by a continuous operation. e.g., speedometer
of car...
Ø HYBRID:
Hybrid computers operate data by both continuous and discrete operation...
e.g. air defense system...
Ø DIGITAL:
These computers operate data by a discrete operation...
The following computers are the examples of DIGITAL computers,
· HAND HELD COMPUTERS:
Palm Pc, Cellular Phone, 2lb, User Batteries, Transformer Pack...
· PERSONAL COMPUTERS:
Note Book OR Lap Top(8-15lb), DeskTop Server, Work Station(Could work
without Server), Dumb Terminal(Could not work without Server), Win could use
dumb terminal by installing TSE...
· MINI COMPUTERS:
Always uses Dumb Terminal ... e.g, RISC(Redo Inst Set Comp)...
· MAIN FRAME COMPUTERS:
A high level, large and expensive computers used to handle intensive
computational tasks, 80,000 inst/s... e.g, IBM 4381...
· SUPER COMPUTERS:
12 trilion inst/s, MIPs (Milion inst/s) are banned on PAK...
