2. ?

3. Classification of the Computer
According to used technology
According to Size
According to Purpose

4. According to used technology
Analog Computers
Digital Computers

5. Classification of the Computer
According to used technology
Analog Computers
Hybrid Computers
Digital Computers

6. Classification of the Computer
According to the Size
Personal Computers
Desktop Computers

7. Classification of the Computer
According to the Size
Tablet PC

8. Classification of the Computer
According to the Size
Laptop
Palmtop

9. Classification of the Computer
According to the Size
Workstation
Server

10. Classification of the Computer
According to the Size
Main Frame
Super Computers

11. Classification of the Computer According to the purpose used
General Purpose
Special Purpose