Adapter cards, also known as expansion cards, are components that can be inserted into the electronic slots on a computer motherboard to add new functionality or enhance existing capabilities. These cards allow for the customization and enhancement of a computer system, providing additional ports, improved graphics performance, or faster network connections. Common types include graphics cards, sound cards, network cards, and storage controller cards.
The main use of adapter cards is to expand the capabilities of a computer to meet specific user needs. For instance, a graphics card can drastically improve the quality and performance of video output, benefiting gamers and professionals in graphic design. Network cards can enhance internet connectivity speeds, while sound cards are great for audiophiles and audio professionals looking to achieve higher sound quality. Each type of adapter card is designed with specific features that target various functionalities, making computers more versatile and effective in handling different tasks.