ASSIGNMENT 1 1. At which stage is most of the signal interference experienced in a typical communication system. 2. What are the two basic types of signals used in the transmission of information from one point to another in a communication system. 3. What is the correct band designation entries for the frequency band that covers the range from 3 MHz to 3000MHz? 4. What are the third, the sixth and the seventh units of a typical block diagram of a communication system?