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.
Output devices is things you can see/hear, like Printers, Monitors and loudspeakers. (Final product of computer) Input devices is things to control the computer with, like key â¦ board and mouse. 10 people found this useful.