1. The modulation index in amplitude modulation is:

2. The output of a digital computer is an example of:

3. Name the man who was first to place his foot on the moon and in which year:

4. A microphone converts:

5. A loudspeaker converts:

6. The sound produced by a tuning fork is a sort of:

7. The length of a half wave dipole at 30 mega-hertz is:

8. In space communication, the sound waves can be sent from one place to another:

9. The output of a digital computer is an example of:

10. Which is more advantageous?