Digital Transmission: Data Communication and Computer Networks

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What is the process of converting binary data to a digital signal called?

Signal encoding

Digital modulation

Data modulation

Line coding (correct)

In digital communication, what does 'number of signal levels' refer to?

The number of data levels

The number of bits per pulse

The number of different voltage levels allowed in a signal (correct)

The number of different voltage levels that actually represent data values

What is the relationship between bit rate, pulse rate, and the number of different signal elements?

Bit rate = Pulse rate × log2L (correct)

Bit rate = Pulse rate - log2L

Bit rate = Pulse rate + log2L

Bit rate = Pulse rate ÷ log2L

What is the term for the number of voltage levels that actually represent data values in a digital communication system?

Data levels Signup and view all the answers

What is the purpose of digital-to-analog conversion?

To send digital data over a bandpass channel Signup and view all the answers

What is the general form of a sine wave?

$x(t) = A×sin(2πft + ϕ)$ Signup and view all the answers

What is the relationship between bit rate and baud rate in analog transmission of digital data?

Baud rate is less than or equal to bit rate Signup and view all the answers

In Example 5.2, what is the number of data elements carried by each signal element?

10 data elements Signup and view all the answers

What is the process of converting binary data to digital signal called?

Encoding Signup and view all the answers

What does the term 'Line Coding' refer to in the context of digital transmission?

Converting binary data to digital signal Signup and view all the answers

What does 'Bit Rate' represent in the context of digital transmission?

Bits per second Signup and view all the answers

In digital transmission, what does 'Pulse Rate' indicate?

Pulses or signals per second Signup and view all the answers

Digital Transmission: Data Communication and Computer Networks

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Questions and Answers

What is the process of converting binary data to a digital signal called?

In digital communication, what does 'number of signal levels' refer to?

What is the relationship between bit rate, pulse rate, and the number of different signal elements?

What is the term for the number of voltage levels that actually represent data values in a digital communication system?

What is the purpose of digital-to-analog conversion?

What is the general form of a sine wave?

What is the relationship between bit rate and baud rate in analog transmission of digital data?

In Example 5.2, what is the number of data elements carried by each signal element?

What is the process of converting binary data to digital signal called?

What does the term 'Line Coding' refer to in the context of digital transmission?

What does 'Bit Rate' represent in the context of digital transmission?

In digital transmission, what does 'Pulse Rate' indicate?

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