FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Heat sink. This is a passive piece of hardware that draws heat away from components to regulate/reduce their temperature to help ensure they continue to function properly. Typically, a heat sink is installed directly atop the CPU, which produces the most heat among internal components.

Detailed explanation-2: -Barcode scanners are devices that are able to scan the codes of lines, known as barcodes, present on retail items and other products. They can quickly interpret these lines and find corresponding data, which can be helpful when tracking inventory or handling point-of-sale transactions in stores and other businesses.

Detailed explanation-3: -SaaS (Software-as-a-Service) SaaS-also known as cloud-based software or cloud applications-is application software that’s hosted in the cloud, and that users access via a web browser, a dedicated desktop client, or an API that integrates with a desktop or mobile operating system.

Detailed explanation-4: -Many computers have color-coded ports. Speakers or headphones connect to the green port, and microphones connect to the pink port. The blue port is the line in, which can be used with other types of devices. Some speakers, headphones, and microphones have USB connectors instead of the usual audio plug.