Sound and Image File Calculations

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

• Sample rate x Duration x Resolution

• Color depth x Image height x Image width

• Sample rate x Image height x Image width

• Color depth x Duration x Resolution

How many bits are required to store a pixel if there are eight colors?

• 2 bits

• 3 bits

• 4 bits

• 5 bits

What is the sample rate in the example given in the text?

• 4 samples per second

• 5 samples per second

• 6 samples per second

• 7 samples per second

How many bytes is the sound file in the example?

• 8 bytes

• 9 bytes

• 10 bytes

• 11 bytes

What is the color depth used in the image example?

• 2

• 3

• 4

• 5

How do you calculate the size of an image file?

• Sample rate x Duration x Resolution

• Color depth x Image height x Image width

• Sample rate x Image height x Image width

• Color depth x Duration x Resolution

What is the resolution of the sound file in the example?

• 2 bits

• 3 bits

• 4 bits

• 5 bits

What is the total size in bits of the image in the example?

• 714 bits

• 724 bits

• 734 bits

• 744 bits

How many variations can be captured with 4 bits?

• 8 variations

• 12 variations

• 16 variations

• 20 variations

What is the width of the image in pixels in the example?

• 14 pixels

• 15 pixels

• 16 pixels

• 17 pixels