Components of the computer

1. Central Processing Unit

1.1. CPU

2. Memory Unit

2.1. RAM: Random Access Memory

2.2. Hard Disk

2.3. ROM: Read Only Memory

3. Input Unit

3.1. keyboard

3.2. mouse

3.3. scanner

3.4. finger scan

3.5. microphone

3.6. webcam

4. Output Unit

4.1. Printer

4.2. Plotter

4.3. Monitor

4.4. LCD Projector

4.5. Speaker