Consumer Electronics

Multiple Choice Questions

1. The most popular formats today are
   1. 3/4 U
   2. VHS
   3. V 2000
   4. Beta
   5. Video 8
2. For helical-scan the rotating video drum carries helical
   1. one head
   2. two heads
   3. three heads
   4. four heads
3. As the frequency of the recorded signal increases the voltage induced in the playback head
   1. increases at a 3 dB/octave rate
   2. decreases at a 3 dB/octave rate
   3. increases at a 6 dB/octave rate
   4. decreases at a 6 dB/octave rate
4. A bandwidth restricted television signal
   1. can be directly recorded on tape
   2. cannot be directly recorded on tape
   3. can be recorded on the tape by indirect methods
   4. none of the above
5. The FM carrier technique
   1. enhances the octave range
   2. restricts the octave range
   3. reduces the octave range
   4. none of the above
6. The modulation index is chosen ...