Computer hardware means the physical part of the computer and it is totally different from computer software and computer programs and data used in the computer hardver.Hardver seldom changed in relation to software and data, which can easily be formed, modified, or deleted on your computer. Normal users do not see most of the computer hardware such as a closed and embedded systems in automobiles, microwave ovens, compact disc players and many other household appliances.
A typical personal computer consists of a case in desktop and other various parts. Motherboard or system board with slots for expansion cards and holding parts including a central processing unit (CPU), Random Access Memory (RAM) for program execution and short term storage. It also consists of a PCI bus, PCI-E or AGP bus, ISA bus, USB and power supply that has a transformer, voltage control and fan.
Storage Controllers IDE, SATA, SCSI or other type, that control hard disk, floppy disk, CD-ROM and other drives. Video display controller that produces output to stdout Computer bus controllers to connect your computer to external peripheral devices such as printers or scanners.
Some type of removable media including CD writer, CD-ROM drive, CD writer, DVD, DVD-ROM drive, DVD Writer, DVD-RAM drive, floppy disk, Zip disk, USB flash drive, tape drive - mainly for backup and long-term storage, internal memory that stores the data in your computer for later use. The hard disk is used for medium term storage. Sound card translates signals from the system board into analog voltage levels and the terminal connected speakers. Networking is used to connect computers to the Internet and / or other computers and a modem for dial-up connection.
In addition, hardware can include external components of the computer system. Basically a computer device includes a keyboard, pointing device, mouse, trackball, gaming devices, joystick, gamepad pictures, video players, image scanner, web cam, audio devices and microphone.
Output devices consist of printers, monitors, audio output devices, speakers and headphones.
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