Definition: "AOL9" is an acronym that stands for "Analog-to-Digital Converter". It's a term used in digital communication technology to represent converting analog signals (like sound) to binary code, which can then be transmitted digitally using a computer or other devices. The process involves taking the analog signal and converting it into a 2-bit representation of binary data, making it easier for computers and other electronic devices to interpret. This makes analog to digital conversion (A/D) a crucial step in many modern applications where signals need to be converted from analog to digital format.
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