82. Data_Rep - Sound Representation in Computer Systems Quiz

What is the process called to convert an analogue signal into a digital binary one?

• Analog to Binary Conversion

• Binary to Analog Conversion

• Digital to Analog Conversion

• Analog to Digital Conversion

What are the two main factors that affect the quality of a digitally converted sound wave?

• Bit Rate and Frequency

• Amplitude and Wavelength

• Pitch and Volume

• Sample Rate and Sample Resolution

What is the sample rate for a music CD?

• 44100 Hertz

• 88200 Hertz

• 176400 Hertz

• 22050 Hertz

What does sample resolution refer to in a digital waveform?

• Number of bits stored with each sample

• Number of samples recorded per second

• Number of amplitudes represented in the waveform

• Number of bytes in the sound file

What is the formula to calculate the file size of a sound sample?

• Number of samples per second * Sample Resolution * Length of the sample in seconds

• Sample Resolution * Sample Rate * Length of the sample in seconds

• Number of samples per second * Sample Rate * Sample Resolution

• Sample Rate * Sample Resolution * Length of the sample in seconds

What is the sample rate for an analog waveform being recorded 6 times a second with a duration of 3 seconds and a sample resolution of 4 bits?

• 24 Hertz

• 18 Hertz

• 36 Hertz

• 12 Hertz

What is the total number of bits in a sound file with a sample rate of 8000 Hertz, a sample resolution of 8 bits, and a length of 5 seconds?

• 80000 bits

• 40000 bits

• 20000 bits

• 2000 bits

What is the maximum number of variations in the difference of sound that can be sampled with a 2-bit sample resolution?

• 4

• 2

• 8

• 16

What does the sample resolution of 16 bits mean for a CD?

• Every sample is stored in 16 bytes

• Every sample can store one of 16 different amplitudes

• Every sample can store one of 65,000 different amplitudes

• Every sample is recorded 16 times per second

What is the sample rate for a sound file that is 10 seconds long with 8000 samples per second and a sample resolution of 4 bits?

• 2000 Hertz

• 4000 Hertz

• 16000 Hertz

• 8000 Hertz