Also known as: atm.
ATM has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of ATM in Scientific & Educational.
Asynchronous transfer mode (ATM) is a switching technique used by telecommunication networks that uses asynchronous time-division multiplexing to encode data into small, fixed-sized cells. This is different from Ethernet or internet, which use variable packet sizes for data or frames.
Scientific & EducationalGaseous envelope surrounding Earth Consists of two layers; the lower, or troposphere, and the upper, or stratosphere. Weight of atmosphere on each square inch of Earth's surface is approx 14.1 Ib at sea level. The Earth's atmosphere is 120 miles thick and is composed mainly of nitrogen, oxygen, carbon dioxide, and a few other trace gases.
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