Components of the computer

1. Central Processing Unit

1.1. CPU

2. Memory Unit

2.1. RAM: Random Access Memory

2.2. ROM: Read Only Memory

2.3. Hard Disk

3. Input Unit

3.1. Mouse

3.2. Keyboard

3.3. Scanner

3.4. Webcam

3.5. Microphone

3.6. Finger scan

4. Output Unit

4.1. Printer

4.2. Monitor

4.3. LCD Projector

4.4. Speaker

4.5. Plotter