Environmental Protection. Didymo (Didymosphenia geminata), also known as rock snot, is a non-native invasive microscopic algae (diatom) that can produce large amounts of stalk material to form thick brown mats on stream bottoms. Didymo threatens aquatic habitat, biodiversity and recreational opportunities.
peripheral device - (computer science) electronic equipment connected by cable to the CPU of a computer; disk drives and printers are important peripherals.
Input Device Definition - An input device is a hardware or peripheral device used to send data to a computer. An input device allows users to... Input Device Definition - An input device is a hardware or peripheral device used to send data to a computer.