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WHAT'S YOUR ENGINEERING QUOTIENT?

Problem 3—What are some of the functions performed by a memory manager in a computer?

ANSWER

Problem 4—If you have the binary representation of a number, you can find its two's complement by scanning the number from right to left, copying zeros up to the first one, copying that, and then complementing the bits after that.

For example:

decimal 20 = 0 0 0 1 0 1 0 0
decimal -20 = 1 1 1 0 1 1 0 0

2-01