Computer hardware: the physical part of a computer and is completely different from computer software or computer programs and data used for the hardware. The hardware of a computer is rarely changed by software and data, which are easily formed, changed or deleted on your computer. Normal people do not know that most of the hardware of the computer as it is included as embedded systems in cars, furnaces Microwave, compactdisk drives, and many other appliances.
A personal computer consists of a typical case of desktop and other components. the system or motherboard with slots for expansion cards and holding parts including central processing unit (CPU), Random Access Memory (RAM) for program implementation and short-term data storage. It also consists of PCI, PCI-E or AGP bus, ISA bus, USB and power that the voltage of the transformer and the fan does.
StorageIDE, SATA, SCSI, or a different type of hard disk, floppy disk, CD-ROM and other drives. controller video controller that produces output for computer monitor to the computer bus to connect peripherals such as printers or scanners.
Some types of removable media including CD writer, CD-ROM drive, CD, DVD, DVD-ROM, DVD Writer, a DVD-RAM, floppy disk, Zip drive, USB Flash Drive, Tape Drive -mainly for backup and long-term storage, internal memory that holds data on your computer for later use. The hard disk is used to store data in the medium term. Translates the sound signals from the motherboard of the analog voltage levels and has terminals for connecting the speakers. The computer network used to connect to the Internet and / or other computer and modem for dial-up.
Additionally, the hardware also external components of a computersystem. Especially the computer input devices include keyboards, pointing devices, mice, trackballs, game controllers, joysticks, gamepads image, video input devices, image scanner, webcam, microphone and audio input devices.
output devices consist of the printer, monitor, audio output devices, speakers and headphones.
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