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.
September 15, 2016. An output device is a part of the computer that receives the processing from the computer and presents or displays it. Output devices come in several forms, including display monitors, printers and speakers, and they are distinct from input devices, which are the parts of the computer that give the machine instructions.