Data transmission. Data transmission, digital transmission, or digital communications is the physical transfer of data over a point-to-point or point-to-multipoint communication channel. Examples of such channels are copper wires, optical fibres, wireless communication channels, and storage media.ata transmission, digital transmission, or digital communications is the physical transfer of data over a point-to-point or point-to-multipoint communication channel.
A coal miner completes a screening survey for coalworker's pneumoconiosis. Screening, in medicine, is a strategy used in a population to identify the possible presence of an as-yet-undiagnosed disease in individuals without signs or symptoms. This can include individuals with pre-symptomatic or unrecognized symptomatic disease.
medical - a thorough physical examination; includes a variety of tests depending on the age and sex and health of the person. checkup, health check, medical checkup, medical exam, medical examination. examination, scrutiny - the act of examining something closely (as for mistakes)