Computers are classified based on various criteria, including size, purpose, Architecture, and technology.

• Based on size and purpose

1. Supercomputers
2. Mainframe Computers
3. Minicomputers
4. Micro Computers/pc's

• Based on Architecture

1. RISC
2. CISC
3. Von Neumann Architecture
4. Harvard Architecture

• Based on Technology

1. Analog Computers
2. Digital Computers
3. Hybrid Computers

• Specialized Computers

1. Embedded systems
2. Network Computers
3. Wearable Computers.