PS/2 - ...is used to connect mice and keyboards to the computer. These are colour-coded with a green port for the mouse and a purple port for the keyboard. It uses a six-pin mini-DIN plug and socket to connect., Serial Port - ...are widely used by sensors when collecting data that transfers sequentially (in order, one at a time), Parallel Port - ...are used by printers, hard drives, modems and security cameras. In this type of port, the data is transferred multiple bits at a time together., Video graphics array (VGA) Port - ...sends analogue video signals between compatible devices. It is used toi connect the computer to a projector, television or additional monitor., High-definition multimedia interface (HDMI) Port - This is a digital port that has largely replaced the VGA port and is now the standard interface for connecting modern audio-visual devices, such as a projector, or television, to the computer, Digital visual interface - ... port is versitile because it supports analogue signals as well as digital signals. It used to send high-quality digital video and audio to a display device, such as a screen. There are three types of these ports. ???-D for digital signals, ???-A for analogue signals, ???-I which can send digital and analogue signals. Most use the latter., Universal serial bus (USB)/(USB-C) - is an industry stanadard for short distance digital transfer. Ports allow devices with these connections to be connected to the computer to transfer digital data through cables. They can also charge devices through these connections. They have replaced most other data ports. , DisplayPort - ...is mostly used to connect a video source to a computer monitor and it can also transfer audio, USB, and other types of data. Audio and video can be transferred at the same time, although each can be transferred without the other., Ethernet Port (802.3) - ...is often called a 'Jack' or a 'socket', and allows cables of the same name to be plugged in so that wired network hardware can be connected in a network. It is also used to provide internet connection. It will connect to a Wi-Fi router or modem to an internet access port or telephone line. You will see Ethernet sometimes referred to as 802.3,

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