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What is meant by two's complement?
A form of representing negative numbers in binary
What is an underflow error?
When a binary arithmetic operation gives an answer smaller than what the device is capable of storing
What is an overflow error?
When adding two binary digits gives an extra digit that doesn't fit
Give two examples of where hex is used.
MAC addresses, HTML colour codes, error codes
What are all the possible 'digits' to represent values in hexadecimal?
0-9, A-F
What is the name given for a base 16 set of values?
Hexadecimal
What is the name given for a base 10 set of values?
Denary
What is the name for a base 2 set of values?
Binary
What is a character set?
A complete collection of characters
Which character set is commonly used for European languages?
ASCII
Which character set represents billions of characters?
Unicode
What is the formula for calculating file size?
sample rate x sample resolution x time in seconds
What is sample resolution?
The number of bits used to store each measurement of sound amplitude
What is sample rate measured in?
Hertz (Hz)
What is meant by sample rate?
The number of samples taken per second
What is sampling?
Measurements of the sound wave taken at regular intervals
What device is used to convert sound into binary?
Analogue to digital converter
What word is used to describe the pitch of a sound?
Frequency
What word is used to describe how loud a sound is?
Amplitude
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