Glossary

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Telecommunications
  • A general term expressing data transmission between a computing system and remotely located devices via a unit that performs the necessary format conversion and controls the rate of transmission. (DODD 5200. 28;; NCSC-WA-001-85;) 2. Any transmission, emission, or reception of signs, signals, writing, images, sounds or other information by wire, radio, visual or any electromagnetic systems. (FIPS PUB 39;) 3. The preparation, transmission, communication, or related processing of information by electrical, electromagnetic, electro- mechanical, or electro-optical means. (NSDD-145;) (Note: This definition includes the processing of information by noncommunicating equipment. ) 4. The preparation, transmission, communication, or related processing of information (writing, images, sounds, or other data) by electromagnetic, electromechanical, electro-optical, or electronic means. *The preparation, transmission, communication, or related processing of information (writing, images, sounds, or other data) by electromagnetic, electromechanical, electro-optical, or electronic means (NSA, National INFOSEC Glossary, 9/88)