practice_mod5

practice_mod5 - ECE 270 Module 5 -1Practice Homework _ 1....

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ECE 270 – Module 5 -1- Practice Homework ______________________________________________________________________________ 1. As the competition on American Idol heats up, the judges have become aware of the need for an “improved” scoring circuit. Now that you know something about arithmetic logic circuit design, you can help! Before the next round, RPS (short for Randy, Paula, and Simon) have asked for a circuit that will allow each of them to award a score ranging from zero to five for each contestant; each judge, therefore, will have six pushbuttons to register their result, labeled “0” through “5”. The sum of the three judges’ scores is to be displayed on an LED “bar-graph”, which should only illuminate when all three judges press their chosen button simultaneously. Further, your design should correctly handle multiple (simultaneous) button presses by any individual judge, registering only the highest numbered button pressed (HINT: sounds like a priority encoder ). Note that the three-judge vote total has the potential to range from 0 to 15, requiring 16 LEDs in the bar-graph display. To help the bewildered contestants quickly ascertain their status, your design should utilize the following LED color-coding scheme: green for scores in the range of 12- 15 (“clear winner – even Simon kind of liked you”), yellow for scores in the range of 8-11 (“split decision”), red in the range of
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practice_mod5 - ECE 270 Module 5 -1Practice Homework _ 1....

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