There are 32 microcomputers in a computer center. Each microcomputer h...
There are 32 microcomputers in a computer center. Each microcomputer has 24 ports. How many different ports to a microcomputer in the center are there?
Answer
The procedure of choosing a port consists of two tasks, first picking a microcomputer and then picking a port on this microcomputer. Because there are 32 ways to choose the micro- computer and 24 ways to choose the port no matter which microcomputer has been selected, the product rule shows that there are 32 · 24 = 768 ports.
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