Q1) - Choice the correct answer: 1. Communication is the process of: d. Keeping in touch b. broadcasting c. exchange information 2. The function of input transducer in communication is: a. To modulate the message signal b. To transmit the message signal C. To convert message signal into electric signal. 3. Recovering information from a carrier is-known as: a. Detection b. modulation c. Demultiplexing 4. Full duplex is: a. One- way communication b. Two-way communication c. Two-way but the direction alternates. 5. Radio signal is made up of: a. Voltage and current b. Efectrical and Magnetic field c. Noise

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