Pc Port Definition

Ports provide the input and output interfaces the device needs to communicate with peripherals and computer networks.

Pc port definition. External ports may connect modems printers mice and other devices. A port may refer to any of the following. Computer ports have many uses to connect a monitor webcam speakers or other peripheral devices. When you request a website from a web browser the browser communicates over port 80 for http.

The ip address identifies the destination computer and the port number identifies the specific destination application. Internal ports may connect such devices as hard drives and cd rom or dvd drives. Electronically the several conductors where the port and cable contacts connect provide a method to transfer signals. 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.

In computer networking a port is a communication endpoint. When referring to a physical device a hardware port or peripheral port is a hole or connection found on the front or back of a computer. Computer ports are an essential feature of all computing devices. As if computer terms weren t hard enough to understand there are three different meanings of the word port.

Vga port is the main interface between computers and older crt monitors. The connector is called as de 15. The port may identify data transferred via either the reliable tcp protocol financial data or the unreliable udp protocol audio and video broadcasting stream. Vga port is found in many computers projectors video cards and high definition tvs.

On the physical layer a computer port is a specialized outlet on a piece of equipment to which a plug or cable connects. A number assigned to applications and services in a tcp ip network. 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 ports are identified for each protocol and address combination by 16 bit unsigned numbers commonly known as the port number the most common protocols that use port numbers are the. A guide to computer ports and adapters.

Then the data is sent back over the same port. By avram piltch online editorial director 16 march 2017. This is true whether it s a mail application file transfer program or web browser. High definition multimedia interface port may be able to output at up to 4k resolution.

Ports allow computers to access external devices such as printers below is a short listing of the different computer ports you may find on a computer.