Computer Hardware

"What is the hardware?"
The question looks easy but it also looks difficult.
Most people are only familiar with the hardware and are not able to define the notion of the hardware itself.

Hardware is the computer hardware that is physically visible and palpable.
Based on the functions and uses of computer hardware can be grouped into 4 sections:

A. Input Devices
The input device is a device used to enter data to be processed by computer. Examples of computer input devices are as follows:

- Keyboard - Mouse - Scanner - Floppy Disc Drive

- Optical Drive - Joystick - And so on

B. Output Device
The output device is a device used to display the results of processing on the CPU. Examples of computer output device is as follows:

- Monitor computer - Printer

- Loudspeaker / Headset - And so on

C. Processing Unit Device
The device processing unit is the unit of the tools used to perform data processing on the computer.
Here is a processing device that is on the computer:

- Motherboard - Processor - RAM (Random Access Memory)

- VGA (Video Grapich Adapter) - Power Supply - And so on

D. Storage Devices
The storage device is a device used to store data from a processing to be re-opened if necessary. Here is a storage medium that is often used on the computer:

- Diskette - Optical Disc - Flashdisc

- Memory Card - HDD (Hard Disc Drive) - And so on