Clear Signals: A Beginner's Quiz on Communication Systems Elements u0026 Types Quiz

1. Basic Elements of Communication

   In a basic communication system, which element is responsible for converting the information into an electrical signal before transmission?

   1. A. Transmitter
   2. B. Receiver
   3. C. Noise source
   4. D. Decoder
   5. E. Speaker

2. Role of Channels

   Which component in a communication system carries the signal from the transmitter to the receiver, for example, air in case of radio broadcasting?

   1. A. Encoder
   2. B. Channel
   3. C. Transcriber
   4. D. Antenna
   5. E. Switcher

3. Types of Communication

   When a teacher speaks to a student in person, what type of communication does this represent?

   1. A. Wireless communication
   2. B. Satellite communication
   3. C. Optical communication
   4. D. Face-to-face (analog) communication
   5. E. Digital communication

4. Distinguishing Analog and Digital

   What is the main difference between analog and digital communication systems?

   1. A. Analog uses numerical data, digital uses bees
   2. B. Analog transmits continuous signals, digital transmits discrete signals
   3. C. Digital uses wires only, analog uses cables only
   4. D. Both use random signals
   5. E. Both produce sound only

5. Example of Noise

   When static interrupts your favorite radio program, what part of the communication system introduces this disturbance?

   1. A. Receiver
   2. B. Signal
   3. C. Noise
   4. D. Transmitter
   5. E. Encoder

6. Identifying Modulation

   In communication systems, what is the process called when information is superimposed on a carrier signal, such as changing the frequency or amplitude of a radio wave?

   1. A. Encryption
   2. B. Modulation
   3. C. Sampling
   4. D. Amplification
   5. E. Multiplexing

7. Satellite Communication Example

   Which type of communication is involved when making a long-distance video call where signals are transmitted via an orbiting object around Earth?

   1. A. Fiber optic communication
   2. B. Satellite communication
   3. C. Underwater communication
   4. D. Wired landline communication
   5. E. Morse code

8. Feedback Element

   In a classroom discussion, when a student responds to a teacher's question, which communication element is represented by the student's reply?

   1. A. Transmitter
   2. B. Channel
   3. C. Feedback
   4. D. Signal
   5. E. Source

9. Purpose of Decoders

   In a television communication system, what is the role of the receiver/decoder?

   1. A. To send messages only
   2. B. To amplify the noise
   3. C. To convert received signals back to a viewable or usable form
   4. D. To encode the original message
   5. E. To transmit signals to the source

10. Wireless Communication Example

    When a person uses a mobile phone to send a text message without any physical cables, what type of communication is being used?

    1. A. Optical fiber communication
    2. B. Wired communication
    3. C. Morse communication
    4. D. Wireless communication
    5. E. Paper mail