4

1. (Input Unit)

Keyboard

Keyboard (shift) 7 8 7 8

Mouse

Mouse Mouse 2 9 Pin, Serial Port PS/2 (Personal System Version2)

Microphone ()

2. CPU (Central Processing Unit)

(Processor) (chip)

1. (Arithmetic & Logical Unit : ALU)

2. (Control Unit)

3. (Main Memory)

3. (Output Unit) (Output Unit) 2

3.1) (Soft Copy)

3.2) (Hard Copy)

PRINTER

4. (Memory Unit)

(Memory Unit) 2

4.1.1) (Read Only Memory ROM) (nonvolatile) (Basic Input output System : BIOS)

4.1.2) (Random Access Memory RAM)

4.2) (Secondary Storage Unit)

4

4.2.1) Disk

4.2.2) CD , DVD

4.2.3) DAT QIC

4.2.4) Flash Drive, Thumb Drive , Handy Drive Memory Card

https://www.youtube.com/watch?v=kHcWDX0EFn4

.5/4 17 .5/4 39