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 (C)</p> Signup and view all the answers

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

<p>Receiver (D)</p> Signup and view all the answers

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

<p>Five (A)</p> Signup and view all the answers

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

<p>Temperature (B)</p> Signup and view all the answers

What is the basic unit of representation in digital signals?

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

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

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

Which medium can be used for wireless transmission?

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

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

<p>Bitstream (C)</p> Signup and view all the answers

What are examples of digital signals?

<p>Digital phones and digital pens (D)</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 (D)</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 (C)</p> Signup and view all the answers

What is the function of the receiver in data communication?

<p>Receives messages from the sender (B)</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 (C)</p> Signup and view all the answers

Which component defines the rules for data communication?

<p>Protocol (A)</p> Signup and view all the answers

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

<p>Wireless mode (A)</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 (C)</p> Signup and view all the answers

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

<p>Source (B)</p> Signup and view all the answers

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

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

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

<p>Radio waves (D)</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 (A)</p> Signup and view all the answers

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

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

What does a protocol define in data communications?

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

What is the representation of binary signals known as?

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

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

<p>Sender (A)</p> Signup and view all the answers

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

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

10

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

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