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What is the function of a computer port?
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What is a port in networking?
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A port is a virtual point where network connections start and end. Ports are software-based and managed by a computer's operating system. Each port is associated with a specific process or service.
- PS/2. PS/2 connector is developed by IBM for connecting mouse and keyboard. It was introduced with IBM’s Personal Systems/2 series of computers and hence the name PS/2 connector.
- Serial Port. Even though the communication in PS/2 and USB is serial, technically, the term Serial Port is used to refer the interface that is compliant to RS-232 standard.
- Parallel Port or Centronics 36 Pin Port. Parallel port is an interface between computer and peripheral devices like printers with parallel communication.
- Audio Ports. Audio ports are used to connect speakers or other audio output devices with the computer. The audio signals can be either analogue or digital and depending on that the port and its corresponding connector differ.
- Data Ports. Data ports are used to transfer data — though the transfer itself can vary depending on the devices being used. Data cables can be used to connect one computer to another or to an external data storage device like an external hard drive.
- USB Type-A. Initially adopted in 1996, the USB-A port was once the recognized standard for data ports (and still is). For the most part, it remained in usage for so long because it continued to be highly effective.
- USB Type-C. USB-C was first introduced in 2014 — but it took a few years for it to develop into a serious competitor for the well-entrenched USB-A format.
- Thunderbolt. The first Thunderbolt cable was released three years after USB 3.0 was introduced to the public, but it’s made some major changes since Apple and Intel first started producing them.
In computer networking, a port or port number is a number assigned to uniquely identify a connection endpoint and to direct data to a specific service. At the software level, within an operating system, a port is a logical construct that identifies a specific process or a type of network service.
Sep 11, 2023 · What’s a Computer Port? A computer port is a physical docking point that connects a computer with an external device to transmit data and give us the desired output. It’s essentially the interface (point of communication) between an external device and the PC’s motherboard.
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Jun 3, 2024 · Computer ports are the slots in the motherboard in which cables of the external devices are plugged in for communication. Many examples of external devices that can be attached via ports are monitors, mouse, speakers, microphones, keyboards, etc.
Jun 24, 2021 · Ports provide the input and output interfaces the device needs to communicate with peripherals and computer networks. The most important ports on computers are used for networking, for without them, the computer would be completely isolated and unable to communicate outside of itself.
