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Q. Digital watches display time by turning on a certain combination of the seven-segment display device.
(a) Show a typical seven-segment display.
(b) Develop a truth table for turning on the segments. The truth table should have inputs W, X, Y, and Z to represent the binary equivalents of the decimal integers, and outputs S0, S1,..., S7.
(c) Develop a typical circuit for one segment, S0.
(d) Show a schematic diagram of the seven- segment decoder/driver block (available in IC form).
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