Computer Port
A port serves as an interface between the computer and other computers or peripheral devices. The port varies depending on the kind of equipment that will be connected to the ports such as connect a monitor,
webcam, speakers the ports sizes are different,
as shown in the following image:
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| Ports
in Computer |
Types of Ports
Serial port:
This port uses with a 9-pin connector. It is no longer in use because this replaces by an interface such as
Ethernet, FireWire, and USB.
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| serial
ports |
PS/2 Port:
This port was earlier used to connect keyboards and mouse. These were round ports for 6-pin connectors. They have now been replaced with Universal Serial Bus (USB) ports.
Parallel port:
A common parallel port for 25 pins connector. This post is similar to serial ports and was uses to connect printer and joystick. They are no longer in use and have also been replacing by USB ports.
Video Graphics Array(VGA) port:
A VGA port to connect video display devices such as monitors and projectors to a computer. it has three rows for 15 pin connector.
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| VGA
Port |
USB port:
the USB port is nowadays the most popular types of the port on a computer which connect a mouse, keyboard, printer and external storage devices such as DVD-RW drive and a flash drive to a computer
TRS: Tip, ring, and sleeve (TRS) ports on mini-Jacks or audio Jacks, commonly to connect audio devices such as headphones and microphones to computers.
This is used for network connections. They use fast and transmission and category 5 (CAT5) network cable for network connections.
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| Ethernet
Port |
HDMI:
An HDMI (High Definition Multimedia Interface) port in that port where a device connects such as a DVD or a Blue-ray player, a stereo speaker, or a flat-screen TV. HDMI enables an excellent image and should reproduction over the connected hardware.
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| HDMI
Ports |
Registered Jack-11 is a telephone interface that uses a cable of
twisted pair of wire and a modular jack with two, four or six contacts RJ-11 is the common connector for plugging a telephone into a wall and a handset into a telephone.
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| RJ11
Connector |
Also, the
motherboard contains some other contacts. This include:
- The big connector with the supplier the motherboard with power from the power supply.
- Other connectors for the diskette drive hard disk, CD ROM drive, and so on.
- Jumpers, which are uses on some motherboard to configure voltage various operating speeds and so on.
- Some pins used to connect the reset button LED for hard disk connector with built-in speaker and so on
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