1.
The amount of digital information that can be transmitted is inversely proportional to the bandwidth of the communication channel and the time of transmission.
FALSE
2.
Blooms: 1. Remember
Chapter: 11 Digital Data Transmission
Difficulty: Easy
Section: 11.03 Transmission Efficiency
Subtopic: Transmission Efficiency
Topic: Digital Data Transmission
Data processed and stored by computers can be numerical or text.
TRUE
3.
Blooms: 1. Remember
Chapter: 11 Digital Data Transmission
Difficulty: Easy
Section: 11.01 Digital Codes
Subtopic: Digital Codes
Topic: Digital Data Transmission
The Morse code, originally designed for wired telegraph communication and later adapted for radio communications, consists of dots and dashes.
TRUE
4.
Blooms: 2. Understand
Chapter: 11 Digital Data Transmission
Difficulty: Easy
Section: 11.01 Digital Codes
Subtopic: Digital Codes
Topic: Digital Data Transmission
The most widely used data communication code is the 7-bit binary code known as the American National Standards Institute.
FALSE
Blooms: 1. Remember
Chapter: 11 Digital Data Transmission
Difficulty: Easy
Section: 11.01 Digital Codes
Subtopic: Digital Codes
Topic: Digital Data Transmission
5.
Parallel data transmission is the practical choice for long-distance communication.
FALSE
6.
Blooms: 1. Remember
Chapter: 11 Digital Data Transmission
Difficulty: Medium
Section: 11.02 Principles of Digital Transmission
Subtopic: Principles of Digital Transmission
Topic: Digital Data Transmission
In asynchronous transmission, each data word is accompanied by start and stop bits that indicate the beginning and ending of the word.
TRUE
7.
Blooms: 1. Remember
Chapter: 11 Digital Data Transmission
Difficulty: Hard
Section: 11.02 Principles of Digital Transmission
Subtopic: Principles of Digital Transmission
Topic: Digital Data Transmission
The technique of transmitting each data word one after another without start and stop bits, usually in multiword blocks, is referred to as asynchronous data transmission.
FALSE
8.
Blooms: 1. Remember
Chapter: 11 Digital Data Transmission
Difficulty: Hard
Section: 11.02 Principles of Digital Transmission
Subtopic: Principles of Digital Transmission
Topic: Digital Data Transmission
In the nonreturn to zero method of encoding, the signal remains at the binary level assigned to it for the entire bit time.
TRUE
Blooms: 1. Remember
Chapter: 11 Digital Data Transmission
Difficulty: Medium
Section: 11.02 Principles of Digital Transmission
Subtopic: Principles of Digital Transmission
Topic: Digital Data Transmission
9.
Transmission efficiency is the accuracy and speed with which information is sent and received over communication media.
TRUE
Blooms: 1. Remember
Chapter: 11 Digital Data Transmission
Difficulty: Easy
Section: 11.03 Transmission Efficiency
Subtopic: Transmission Efficiency
Topic: Digital Data Transmission
10. Narrowing the bandwidth of a communication channel causes an increase in harmonic activity, but increases the quality of the transmitted signal.
FALSE
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