"Google IT Support Professional Certification 2025 – Master Technical Support Fundamentals with This All-In-One Practice Test!"

Ports on a computer are crucial connections that allow for communication between the computer and various external devices. They provide a way to extend the functionality of the computer by enabling it to interface with peripherals such as printers, keyboards, mice, external storage devices, and network connections. Each port type typically serves a specific purpose and complies with various communication protocols, facilitating seamless data exchange.

For instance, USB ports are widely used for connecting a multitude of devices due to their versatility and ability to supply power while allowing data transfer. Similarly, HDMI ports are used for video and audio output to monitors or televisions. The role of ports in linking these devices emphasizes their importance in enhancing the overall capability and performance of a computer system.