Data Communication Basics
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Questions and Answers

What is the main purpose of data communication?

  • To establish communication protocols
  • To receive messages from the network
  • To connect devices physically
  • To send messages over the network (correct)

    • Which component is responsible for sending data or messages to the receiver?

  • Transmission Medium
  • Receiver
  • Sender (correct)
  • Protocol

    • What is another name for the sender device in data communication?

  • Transmitter (correct)
  • Receiver
  • Protocol
  • Medium

    • In data communication, what is the function of the transmission medium?

    <p>Connecting devices physically</p> Signup and view all the answers

    Which device performs the process of receiving messages in data communication?

    <p>Receiver</p> Signup and view all the answers

    What is the total number of components that explain the process of data communication?

    <p>Five</p> Signup and view all the answers

    Which of the following is an example of an analog signal?

    <p>Temperature</p> Signup and view all the answers

    What is the basic unit of representation in digital signals?

    <p>0 &amp; 1</p> Signup and view all the answers

    What type of signal is the human voice considered to be?

    <p>Analog signal</p> Signup and view all the answers

    What is a protocol in the context of data communications?

    <p>A set of rules defining data transmission</p> Signup and view all the answers

    Which medium can be used for wireless transmission?

    <p>Radio waves</p> Signup and view all the answers

    In digital signals, what do the discrete values '0' and '1' represent?

    <p>Bitstream</p> Signup and view all the answers

    What are examples of digital signals?

    <p>Digital phones and digital pens</p> Signup and view all the answers

    What does a protocol define in data communications?

    <p>A set of rules that defines how data will be transmitted between devices</p> Signup and view all the answers

    Which type of signal has a time-varying feature and is represented by continuous variables?

    <p>Composite analog signal</p> Signup and view all the answers

    What is the function of the receiver in data communication?

    <p>Receives messages from the sender</p> Signup and view all the answers

    What is the role of the transmission medium in data communication?

    <p>Facilitates the transfer of data between sender and receiver</p> Signup and view all the answers

    Which component defines the rules for data communication?

    <p>Protocol</p> Signup and view all the answers

    What is an example of a transmission medium in data communication?

    <p>Wireless mode</p> Signup and view all the answers

    Which signal type is considered to be a time-varying feature and represented by continuous variables?

    <p>Analog signal</p> Signup and view all the answers

    What is another name for the sender device in data communication?

    <p>Source</p> Signup and view all the answers

    What type of signals are represented by two discrete values '0' and '1'?

    <p>Digital Signals</p> Signup and view all the answers

    Which medium can be used for wireless transmission in data communication?

    <p>Radio waves</p> Signup and view all the answers

    What is the main function of the transmission medium in data communication?

    <p>Transmitting data to the receiver</p> Signup and view all the answers

    Which type of signal is characterized by continuous and time-varying features?

    <p>Analog Signal</p> Signup and view all the answers

    What does a protocol define in data communications?

    <p>Set of rules for data transmission</p> Signup and view all the answers

    What is the representation of binary signals known as?

    <p>'0' &amp; '1'</p> Signup and view all the answers

    Which device performs the process of sending messages to the receiver in data communication?

    <p>Sender</p> Signup and view all the answers

    What is a signal that is a representation of time-varying quantity?

    <p>'Continuous Analog Signal'</p> Signup and view all the answers

    10

    <p>'Protocol'</p> Signup and view all the answers

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