Question: This device supports both 4 and 8 - bit modes. ( 1 ) How do those modes differ? ( 2 ) What is the advantage

This device supports both 4 and 8-bit modes.
(1) How do those modes differ?
(2) What is the advantage of using each mode? How would you pick which to use?
Use the keypad to enter a password. If the entered password is correct, then use it to
activate a green LED. If the password is entered incorrectly three times, activate a
buzzer.
This device supports both 4 and 8 - bit modes. (

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