Types of computer hardware and its function

• Floppy Disk Drive 

Floppy Disk Drive is a tool for writing, reading data, it also serves as an output device (recorder) data.

Floppy Disk Drive Picture

This type of floppy disk drive brands;
Panasonic, Sony, Samsung, Teac, and so forth.  


2.CD-ROM
CD-ROM processing devices on a computer CD or VCD.
This type of CD-ROM capability CD-ROM with the ability to: 24X, 36X, 40X, 52X, 56X, and so on.

Some brands CD-ROM: Creative, Teac, Philips, LG, Samsung, Sony, Asus, Acer, Prolink, Activa, Oepen, EUROTECH, Mitsubishi, and so forth.  

CD-ROM Picture

Description: In addition to CD-ROM. have appeared subsequent generation of the CD-RW (CD Rewritable). If the CD-ROM can only read data, then the CD-RW in addition to being able to read the data can also write data.

The Tool processing 
Tool process or CPU (Central Processing Unit) is a tool or foremost unit within the computer system. The main task is to control the entire computer system for data processing takes place.
Device process tool
1. Casing Casing is packing box hardware (hardware) on the CPU.

The casing forms

• Desktop (Horizontal) 

-Slim Desktop
-Standard Desktop

Slim Desktop Casing Picture

• Tower 

-Mini / Middle Tower
-Full Tower

Middle Tower Casing Picture

Description: Slim or standard desktop chassis does not have an absolute size, there may still be another form of smaller or even larger. Similarly, the size of the tower casing, mini, middle, and full tower consists of varying sizes depending on each plant that makes it. Casing types: Casing AT Casing AT X

Casing types:

Casing AT

Casing AT X

This type of casing brands :

Daimatian, Simbada, Energy, and so forth.

Some case the indicators contained in the casing

• Led HDD (indication lights when the hard drive is reading)

• Led Power (indication power lamp when it is lit and reset buttons)

• Speaker

• Key lock

3.Power Supply
Power supply is a device that serves to channel the flow of electricity to various computer equipment contained within the CPU. This device has five or more connectors, which can connect to a variety of equipment, are like the motherboard, hard disk, floppy disk drives, CD-ROM, and so forth.

This type of Power Supply
Power Supply AT : consisting of 12 pin connector
Power Supply AT X : consists of the 20 pin connector

Power Supply AT and AT X Picture

Information :
Associated with casing and power supply, the market is now developing a device called UPS (Uniterruptible Power Supply), namely a back-up unit or backup power to provide power as well as the normal power supply is interrupted. In other words, if an electric current when the power or dies, then the computer can still be kept burning by using a current backup power, but only for bebeerapa moment. However the way you have the opportunity to save data, close the program or turn off the computer (shot down) correctly.