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I am enrolled in a AP Computer Science course. Currently we are learning about bits and bytes. Could someone please explain the concept of bits and bytes. For example, here are some questions that I have tried doing:

1. 16-bit binary numbers can be used to represent all non-negative integers from 0 to 2^16 - . I know that is is true, but why?

2. Design a method for representing the state of a tic-tac-toe board in computer memory. Can you fit your representation in three bytes?

I know that a tic-tav-toe board has 9 squares. However I become stuck after this.

Any help would greatly be appreciated.

Thanks

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