Question 1

What are common examples of data?

Accepted Answer

Common examples of data include:
* A com

Question 2

What happens when you introduce noise into digital data and digital signals?

Accepted Answer

Noise has the properties of an analog wa

Question 3

IBM mainframe computers are major users of the EBCDIC character set.

Accepted Answer

A) True 
 B)False

Question 4

The control character ____________________ (CR) provides control between a processor and an input/output device.

Accepted Answer

The answer of The control character ____________________ (CR) provides control...

Question 5

Converting analog data to digital signals is generally called ____________________.

Accepted Answer

The answer of Converting analog data to digital signals is...

Question 6

The Manchester encoding schemes are called ____, because the occurrence of a regular transition is similar to seconds ticking on a clock.

Accepted Answer

A) continuous-clocking 
B) analog-clocking 
C) discrete-clocking 
D) self-clocking 
A) continuous-clocking 
B) analog-clocking 
C) discrete-clocking 
D) self-clocking

Question 7

The period of a signal can be calculated by taking the reciprocal of the frequency (1/frequency).

Accepted Answer

A) True 
 B)False

Question 8

One of the primary shortcomings of analog data and analog signals is how difficult it is to separate noise from the original waveform.

Accepted Answer

A) True 
 B)False

Question 9

The control character ____________________ (LF) provides control between a processor and an input/output device.

Accepted Answer

The answer of The control character ____________________ (LF) provides control...

Question 10

One of the major problems with Unicode is that it cannot represent symbols other than those found in the English language.

Accepted Answer

A) True 
 B)False

Question 11

The most common example of ____ data is the human voice.

Accepted Answer

A) sampling 
B) baud 
C) digital 
D) analog 
A) sampling 
B) baud 
C) digital 
D) analog

Question 12

Telephones, AM radio, FM radio, broadcast television, and cable television are the most common examples of analog data-to-digital signal conversion.

Accepted Answer

A) True 
 B)False

Question 13

____ are represented as continuous waveforms that can be at an infinite number of points between some given minimum and maximum.

Accepted Answer

A) Analog signals 
B) Digital signals 
C) Digital data 
D) Digital pulses 
A) Analog signals 
B) Digital signals 
C) Digital data 
D) Digital pulses

Question 14

An inherent problem with the NRZ-L and NRZI digital encoding schemes is that long sequences of 0s in the data produce a signal that never changes.

Accepted Answer

A) True 
 B)False

Question 15

With NRZ-L, the receiver has to check whether there is a change at the beginning of the bit to determine if it is a 0 or a 1.

Accepted Answer

A) True 
 B)False

Question 16

Phase changes are not affected by amplitude changes, nor are they affected by intermodulation distortions.

Accepted Answer

A) True 
 B)False

Question 17

Certain control characters provide data transfer control between a computer source and computer destination.

Accepted Answer

A) True 
 B)False

Question 18

Cycles per second, or frequency, is represented by ____.

Accepted Answer

A) bytes 
B) hertz 
C) bits 
D) watts 
A) bytes 
B) hertz 
C) bits 
D) watts

Question 19

When a signal is amplified by an amplifier, the signal gains in ____.

Accepted Answer

A) decibels 
B) hertz 
C) bytes 
D) watts 
A) decibels 
B) hertz 
C) bytes 
D) watts

Question 20

What is the purpose of using digital encoding schemes?

Accepted Answer

To transmit digital data using digital s

What are common examples of data?

What happens when you introduce noise into digital data and digital signals?

IBM mainframe computers are major users of the EBCDIC character set.

The control character ____________________ (CR) provides control between a processor and an input/output device.

Converting analog data to digital signals is generally called ____________________.

The Manchester encoding schemes are called ____, because the occurrence of a regular transition is similar to seconds ticking on a clock.

The period of a signal can be calculated by taking the reciprocal of the frequency (1/frequency).

One of the primary shortcomings of analog data and analog signals is how difficult it is to separate noise from the original waveform.

The control character ____________________ (LF) provides control between a processor and an input/output device.

One of the major problems with Unicode is that it cannot represent symbols other than those found in the English language.

The most common example of ____ data is the human voice.

Telephones, AM radio, FM radio, broadcast television, and cable television are the most common examples of analog data-to-digital signal conversion.

____ are represented as continuous waveforms that can be at an infinite number of points between some given minimum and maximum.

An inherent problem with the NRZ-L and NRZI digital encoding schemes is that long sequences of 0s in the data produce a signal that never changes.

With NRZ-L, the receiver has to check whether there is a change at the beginning of the bit to determine if it is a 0 or a 1.

Phase changes are not affected by amplitude changes, nor are they affected by intermodulation distortions.

Certain control characters provide data transfer control between a computer source and computer destination.

Cycles per second, or frequency, is represented by ____.

When a signal is amplified by an amplifier, the signal gains in ____.

What is the purpose of using digital encoding schemes?

Introduction to Computer Networks and Data Communications

Conducted and Wireless Media

Making Connections

Making Connections Efficient: Multiplexing and Compression

Errors, Error Detection, and Error Control

Local Area Networks: Part I

Local Area Networks: Part II

Introduction to Metropolitan Area Networks and Wide Area Networks

The Internet

Voice and Data Delivery Networks

Network Security

Network Design and Management

Filters

Exam 2: Fundamentals of Data and Signals

What are common examples of data?

What happens when you introduce noise into digital data and digital signals?

IBM mainframe computers are major users of the EBCDIC character set.

The control character ____________________ (CR) provides control between a processor and an input/output device.

Converting analog data to digital signals is generally called ____________________.

The Manchester encoding schemes are called ____, because the occurrence of a regular transition is similar to seconds ticking on a clock.

The period of a signal can be calculated by taking the reciprocal of the frequency (1/frequency).

One of the primary shortcomings of analog data and analog signals is how difficult it is to separate noise from the original waveform.

The control character ____________________ (LF) provides control between a processor and an input/output device.

One of the major problems with Unicode is that it cannot represent symbols other than those found in the English language.

The most common example of ____ data is the human voice.

Telephones, AM radio, FM radio, broadcast television, and cable television are the most common examples of analog data-to-digital signal conversion.

____ are represented as continuous waveforms that can be at an infinite number of points between some given minimum and maximum.

An inherent problem with the NRZ-L and NRZI digital encoding schemes is that long sequences of 0s in the data produce a signal that never changes.

With NRZ-L, the receiver has to check whether there is a change at the beginning of the bit to determine if it is a 0 or a 1.

Phase changes are not affected by amplitude changes, nor are they affected by intermodulation distortions.

Certain control characters provide data transfer control between a computer source and computer destination.

Cycles per second, or frequency, is represented by ____.

When a signal is amplified by an amplifier, the signal gains in ____.

What is the purpose of using digital encoding schemes?

Introduction to Computer Networks and Data Communications

Conducted and Wireless Media

Making Connections

Making Connections Efficient: Multiplexing and Compression

Errors, Error Detection, and Error Control

Local Area Networks: Part I

Local Area Networks: Part II

Introduction to Metropolitan Area Networks and Wide Area Networks

The Internet

Voice and Data Delivery Networks

Network Security

Network Design and Management

Filters