Character Sets and Digital Audio Conversion Quiz

What is a Character Set?

• A single dot in an image

• The set of symbols that can be represented by a computer

• The number of bits used to store colors

• The height and width of an image in pixels

What does ASCII stand for in terms of character sets?

• A 32-bit binary number system

• A method to create digital images

• A character set converting an 8-bit binary number into English & American letters and symbols

• A single dot in an image

What is Unicode used for?

• Converting 8-bit binary numbers

• Converting 32-bit binary numbers into letters and symbols from all languages

• Storing colors in an image

• Measuring sound wave amplitude

What is a Pixel?

• A method of creating a grid

• A single dot in an image or bitmap

• The number of samples recorded per second

• The height and width of an image in pixels

What is a Bitmap?

• A method of creating a grid and assigning color codes to each square or pixel

• A character set for converting binary numbers

• A single dot in an image

• The number of bits used to store colors

What is Image Resolution?

• The number of bits used to store colors

• The height and width of an image in pixels

• A single dot in an image

• The conversion of analogue audio

What is the first step in Digital Audio Conversion?

• Storing binary numbers

• Measuring amplitude of sound waves

• Converting analogue audio into small snippets called samples

• Reconstructing sound waves

What is a Sample in digital audio?

• A method of creating a grid

• An individual snippet of digital sound represented in binary

• The number of bits used to store colors

• The height and width of an image in pixels

What does "Sample Depth" refer to in digital audio?

• The number of samples per second

• The accuracy of amplitude measurements

• The frequency of the audio

• The duration of the audio

What is "Bit Rate" in digital audio?

• The number of channels in audio

• The number of bits played per second

• The length of the audio file

• The sample rate of the audio