Central processing unit (CPU)

1. Input devices

1.1. touch screen monitor

1.2. keyboard

1.3. mouse

1.4. scanner

1.5. microfone

1.6. digital camera

1.7. bar code reader

1.8. joystick

2. Random access memory - RAM

3. Arithmetic logic unit - ALU

4. Control unit

5. COMPUTER HARDWARE

6. Output devices

6.1. monitor

6.2. printer

6.3. speakers

6.4. headphones

6.5. projector

7. Storage devices

7.1. Magnetic

7.1.1. floppy disk

7.1.2. hard disk

7.1.3. magnetic tape

7.2. Optical

7.2.1. CD-ROM

7.2.2. CD-R

7.2.3. DVD

7.2.4. DVD-R

7.2.5. blu-ray

7.3. Flash memory

7.3.1. flash drive

7.3.2. memory stick

7.3.3. SSD