A Field-Programmable Gate Array (FPGA) is a type of semiconductor device that can be programmed after manufacturing. Unlike traditional chips, which have fixed functions, FPGAs can be configured to perform various tasks, making them highly versatile. They are commonly used in applications such as digital signal processing, telecommunications, and automotive systems. FPGAs consist of an array of programmable logic blocks and interconnects, allowing users to design custom hardware circuits. This flexibility enables rapid prototyping and development, as engineers can modify the design without needing to create new hardware. FPGAs are popular in industries that require specialized processing capabilities.