
2.4 Media Formatting: Understanding Audio
Computers
9th Grade
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Sound is caused by _________. (Fill in the blank.)
numbers
the wind
vibrations
cars
2.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
How do computers store sound?
Magic
converting waves into a digital code using binary
by searching google
by using the hard disk drive
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
samples are ________. (Fill in the blank.)
when the computer goes to costco
a part of a song used in another song
when the computer divides a sound wave into discrete segments
free
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Information about each sample is stored as __________. (Fill in the blank.)
Binary
Decimal
Hexadecimal
one byte
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
The amount of bits used to encode a smaple is known as _________. (Fill in the blank)
Bytes
Bits
Bit Death
Bit Depth
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Sampling rate is measured in _______. (Fill in the blank)
Bits
Megabytes
Gigabytes
Hertz
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
(True or False) The sampling rate is how many samples are taken each second.
True
False
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