Each time a computer's speed is increased, there must be an inventory of slower and hence obsolete chips about. Let's use these chips for one and only one purpose: to identify, diagnose and correct any computer problem that occurs.Embed in each new computer a separate computer powered by an older chip, which monitors the host computers performance. If problems arise, the embed places the host on "life support" and corrects the problem. The only time the embed communicates with the user is to report the problem in plain english. Users of older computers can buy the healer as a peripheral.
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A: silicon doesn't go bad oftenB: Modern computers have pretty extensive self test and healthmonitoring facilites.C: chips in old computers might not be in good health themselves (and inefficient, compared to modern chips)D: With C, even for tasks suitable for chips in old PCs,it isnot cost effective to collect old systems and remove the chips to reuse them.