Question

A computer byte is a string of 8 characters, and each character is a 0 or a 1. An example of a computer byte is 01101011. Find the number of possible computer bytes.

Answer 1

This is what a generic byte would look like:

Answer 2

what would your next step be?

Answer 3

Each character of a byte can be set to one of two states. Therefore the number of possible bytes is given by 2^8.
\[Number\ of\ possible\ bytes=2^{8}=you\ can\ calculate\]