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Personal Computer System (Motherboard
Printed circuit board containing…
Personal Computer System
Motherboard
Printed circuit board containing the principal components of a computer or other device, with connectors for other circuit boards to be slotted. 
RM355
Device-Most essential parts of a computer system.
Characteristic-Motherboards typically have three types of slots.
Cpu
Central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program. . RM1300
Hardisk A hard disk drive (HDD), hard disk, hard drive or fixed disk[b] is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material. RM189
Device- To store information like software and files.
Characteristic-Mass Storage Devices and Available Storage Device.
Vga PortVideo Graphics Array connector is a three-row 15-pin DE-15 connector. The 15-pin VGA connector was provided on many video cards, computer monitors, laptop computers, projectors, and high definition television sets. RM 14
Devices-Connect monitor to a computer video card.Characteristic- Have 15 hole and similar to serial port connector but serial port connector has pins,it has holes.
Device- A piece of hardware that carries out the instructions of a computer program
Characteristic-Data Bus and Address Bus
Serial Port connector by which a device that sends data one bit at a time may be connected to a computer. RM12
Device-One of the most commonly use device.
Characteristic -Bit Rate,Baud Rate,Start and stop bits.
Parallel Port is a connector for a device that sends or receives several bits of data. RM60
Devices-commonly used parllel device is a parallelport scanner.
Characteristic-Type of interface and length 2.3 cm
Universal Serial Bus-The Universal Serial Bus (USB) is technology that allows a person to connect an electronic device to a computer. RM12
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Firewire Port is a External connector, similar to a USB port, that provides a high-speed connection between a computer and peripheral devices RM30
Device-Connect digital camcorders and external harddrive
.Characteristic length 4.5 meter and max voltage 30V
Ethernet port is an opening on computer network equipment that Ethernet cables plug. RM21
Device- Connect wire network hardware in a Ethernet Lan,Metropolitan area network(MAN),Wide Area Network(WAN)
Characteristic-Computer network equipment and connect wired network hardware.
Graphics card A video card (also called a display card, graphics card, display adapter or graphics adapter) is an expansion card which generates a feed of output images to a display (such as a computer monitor). Frequently, these are advertised as discrete or dedicated graphics cards, emphasizing the distinction between these and integrated graphics RM2000
Device is a generates computer graphics and allows them to be shown on a display, usually using a graphics card (video card)-Characteristic-GPU clock rate. ...
Fill rate.