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PORTS AND PC COMPONENTS (usbUniversal Serial Bus (USB) (It can connect all…
PORTS AND PC COMPONENTS
VGA PORTS
Found in many computers, projectors, video cards and High Definition TVs
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SERIAL PORT
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Two versions: 9 pin, 25 pin model
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Parallel port
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Universal Serial Bus (USB)
It can connect all kinds of external USB devices such as external hard disk, printer, scanner, mouse, keyboard, etc.
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Firewire Ports
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It has three variants: 4-Pin FireWire 400 connector, 6-Pin FireWire 400 connector, and 9-Pin FireWire 800 connector.
Ethernet Port
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CPU
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Control Unit
FUNCTIONS
It is responsible for controlling the transfer of data and instructions among other units of a computer.
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It obtains the instructions from the memory, interprets them, and directs the operation of the computer.
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Graphic Card
Type of display adapter or video card installed within most computing devices to display graphical data with high clarity, color, definition and overall appearance
Provides high-quality visual display by processing and executing graphical data using advanced graphical techniques, features and functions.
Known as a graphics adapter, graphics controller, graphics accelerator card or graphics board
Hard Drives
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A hard drive is a secondary storage device that consists of one or more platters to which data is written using a magnetic head, all inside of an air-sealed casing
All computers have a hard drive installed in them, which is used to store files for the operating system, software programs, and a user's personal files.
A computer cannot function without a hard drive installed, as it requires one to function properly.
Optical Drives
An optical drive is a type of computer disk drive that reads and writes data from optical disks through laser beaming technology.
This type of drive allows a user to retrieve, edit and delete the content from optical disks such as CDs, DVDs and Blu-ray disks. Optical drives are among the most common computer components.
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