Quiz 2

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You have up to 25 minutes. You may use a calculator, but no text book, notes, or network.

Use the hexadecimal codes in the right column to fill in the 8×8 icon grid, assuming 1 bit per pixel.
If an image uses 5 bits per pixel, what is the maximum number of colors it can contain?
Suppose you work for a CPU manufacturer that has exhausted its supply of XOR gates. Show whether or not the expression $A\cdot B' + A'\cdot B$ is equivalent to $A\oplus B$ by completing a truth table of all possible values of inputs $A$ and $B$ .