Hard ware

1. Output

1.1. Monitor

1.2. printer

1.3. Speaker

1.4. Motion Drive

2. Unit

2.1. CPU

2.2. Case

2.3. Main board

2.4. Random Access Memory

2.5. Graphic Card

2.6. Sound Card

2.7. I/O Device

2.8. Storage Device

2.9. Cooling Systems

2.10. Power Supply

3. Process

3.1. Fetch

3.2. Decode

3.3. Excute

3.4. Store

4. Input

4.1. Mouse

4.2. Keyboard

4.3. scanner

4.4. Joystick

4.5. Microphone

4.6. Webcam

4.7. Biometrix