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17 True/False questions

  1. Tape HeadThe tape head that precedes the record head to remove any signal previously recorded on the magnetic tape. This is done by high frequency alternating current that randomizes the magnetic patterns on the tape.

          

  2. Tape NoiseWhite noise created by the magnetized, randomized, iron oxide particles on magnetic tape. Full tape erasure cannot be obtained because as the tape passes the head at any given moment, some randomized magnetized particles are in alignment with the playback head. The random voltage fluctuation produced by these particles passing the tape head produce noise. This noise limits how small a signal's amplitude may be recorded.

          

  3. Pre-AmplifierIncreasing and subsequent decreasing of certain frequency and amplitude ranges.

          

  4. AnalogThe path that is recorded on magnetic tape.

          

  5. ProcessingIncreasing and subsequent decreasing of certain frequency and amplitude ranges.

          

  6. Quarter track headTape heads that produce four separate tracks. In most machines with these, tracks 1 and 3 are played while the tape runs forward, and when the tape's direction is reversed, tracks 2 and 4 may be played. However, a machine may be configured so that all four tracks are used in the same direction simultaneously.

          

  7. TrackThe path that is recorded on magnetic tape.

          

  8. Bias CurrentThe tape head that precedes the record head to remove any signal previously recorded on the magnetic tape. This is done by high frequency alternating current that randomizes the magnetic patterns on the tape.

          

  9. Playback HeadA magnet across which the magnetic tape is pulled. Three functions are performed by tape heads: 1) erasing previous magnetic imprints, 2) recording, and 3) playing back.

          

  10. Record HeadThe tape head that precedes the record head to remove any signal previously recorded on the magnetic tape. This is done by high frequency alternating current that randomizes the magnetic patterns on the tape.

          

  11. Signal-to-noise ratioThe amount of amplitude difference between the level of noise on a tape, and the recorded signal. The greater, the better.

          

  12. Erase HeadA magnet across which the magnetic tape is pulled. Three functions are performed by tape heads: 1) erasing previous magnetic imprints, 2) recording, and 3) playing back.

          

  13. Electro-magnetA magnet created by the induction of an electrical flow through iron.

          

  14. Pre-Groove EchoIf one groove on a record lies too close to an adjacent groove, the phono stylus may receive a portion of the signal from the adjacent groove.

          

  15. Automatic Gain ControlCircuitry added to smaller tape recorders that automatically boosts an audio signal if it is below a certain pre-specified level, or automatically lowers it if the signal is too high.

          

  16. EqualizationThe recording and playing of sounds in real time. The flow of information is continuous

          

  17. Print ThroughThe tape head that precedes the record head to remove any signal previously recorded on the magnetic tape. This is done by high frequency alternating current that randomizes the magnetic patterns on the tape.