Codes {ANSI code} can use 7, 8, or 9 bits to represent 128 or 256 printable and unprintable characters and symbols. ANSI is similar to ASCII.
Codes {ASCII code} can use 7, 8, or 9 bits to represent 128 or 256 printable and unprintable characters and symbols.
Memory locations or switches can have two states {binary code}: 0 or 1, on or off, zero voltage or unit voltage.
0 is impulse-pause, 1 is pause-impulse, and start or stop is impulse-impulse {Manchester encoding}. Start-bit impulse interval sets transmission rate, so transmission rates can vary.
3-Computer Science-Software-Coding
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Date Modified: 2022.0225