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.
A biometric screening is a general health check that can identify any significant cardiovascular or nervous system problems.he biometric screening can be one of several components of a complete health and wellness check. Most doctors and clinics perform a biometric screening as part of a wellness program that includes the completion of a health risk assessment (HRA) questionnaire, and a consultation.