A+ Essentials Chapter 18

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| By Darren McMahon

Darren McMahon

Community Contributor

Quizzes Created: 20 | Total Attempts: 13,007

Questions: 10 | Attempts: 324 | Updated: Mar 22, 2023

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Sound
In this chapter, you will learn how to

• Describe how sound works in a PC
• Select the appropriate sound card for a given scenario
• Install a sound card in a Windows system
• Troubleshoot problems that might arise with sound cards and speakers

Questions and Answers

1.

What refers to the number of characteristics of a particular sound capturedwhen sampling?
- A.
  
  Sample rate
- B.
  
  Kilohertz
- C.
  
  Bit depth
- D.
  
  Quality rating
Correct Answer
C. Bit depth

Explanation
The bit depth refers to the number of characteristics of a particular sound
captured when sampling.

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2.

All recorded sound formats used in PCs today are derived from which format?
- A.
  
  WAV
- B.
  
  Fraunhoffer
- C.
  
  MP3
- D.
  
  PCM
Correct Answer
D. PCM

Explanation
All recorded sound formats used in PCs today are derived from PCM
format.

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3.

Which sound format contains no actual sound recording, but only a series ofcommands stored in a text file for the sound card to interpret?
- A.
  
  WMA
- B.
  
  WAV
- C.
  
  MIDI
- D.
  
  MP3
Correct Answer
C. MIDI

Explanation
MIDI files contains no actual sound recording, but only a series of
commands stored in a text file for the sound card to interpret.

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4.

How many speakers are in a Dolby Digital 5.1 setup?
- A.
  
  Five speakers plus a subwoofer
- B.
  
  Six speakers plus a subwoofer
- C.
  
  Seven speakers plus a subwoofer
- D.
  
  Eight speakers plus a subwoofer
Correct Answer
A. Five speakers plus a subwoofer

Explanation
A Dolby Digital 5.1 setup has five speakers and one subwoofer.

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5.

What is the name of the extensions to the DirectSound3D standard developedby Creative Labs?
- A.
  
  EAX
- B.
  
  MP3
- C.
  
  Positional audio
- D.
  
  Reverberation
Correct Answer
A. EAX

Explanation
Creative Labs developed the EAX presets.

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6.

What is the name of the standard digital connection that replaces manyanalog connections on some sound cards?
- A.
  
  CD audio connector
- B.
  
  AUX connector
- C.
  
  TAD connector
- D.
  
  S/PDIF connector
Correct Answer
D. S/PDIF connector

Explanation
The S/PDIF connector can replace analog connections on some sound
cards.

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7.

Which sampling rate would produce the highest quality sound?
- A.
  
  8 Hz
- B.
  
  8 KHz
- C.
  
  128 Hz
- D.
  
  128 KHz
Correct Answer
D. 128 KHz

Explanation
The bigger the number, the better the quality, so 128 KHz is the king here.

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8.

What must be installed on your system to decode a sound file?
- A.
  
  The proper codec
- B.
  
  Sound application software
- C.
  
  Speakers
- D.
  
  Universal audio cables
Correct Answer
A. The proper codec

Explanation
You need a proper codec installed to decode a sound file.

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9.

Which of the following are valid audio file formats?
- A.
  
  ASF, WMA, ASP
- B.
  
  PCI, MP3, ASX
- C.
  
  WAV, PCM, AU
- D.
  
  MID, MPEG, AVI
Correct Answer
C. WAV, PCM, AU

Explanation
WAV, PCM, and AU are audio file formats.

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10.

Which term describes the stereo speakers in a 2.1 sound system?
- A.
  
  Woofers
- B.
  
  Satellites
- C.
  
  Subwoofers
- D.
  
  Twins
Correct Answer
B. Satellites

Explanation
Stereo speakers are called satellites.

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Current Version
Mar 22, 2023

Quiz Edited by
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Oct 23, 2008

Quiz Created by
Darren McMahon

A+ Essentials Chapter 18

What refers to the number of characteristics of a particular sound capturedwhen sampling?

All recorded sound formats used in PCs today are derived from which format?

Which sound format contains no actual sound recording, but only a series ofcommands stored in a text file for the sound card to interpret?

How many speakers are in a Dolby Digital 5.1 setup?

What is the name of the extensions to the DirectSound3D standard developedby Creative Labs?

What is the name of the standard digital connection that replaces manyanalog connections on some sound cards?

Which sampling rate would produce the highest quality sound?

What must be installed on your system to decode a sound file?

Which of the following are valid audio file formats?

Which term describes the stereo speakers in a 2.1 sound system?