Figure 4-72 shows four switches that are part of the control circuitry in a copy machine. The
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Figure 4-72 shows four switches that are part of the control circuitry in a copy machine. The switches are at various points along the path of the copy paper as the paper passes through the machine. Each switch is normally open, and as the paper passes over a switch, the switch closes. It is impossible for switches SW1 and SW4 to be closed at the same time. Design the logic circuit to produce a HIGH output whenever two or more switches are closed at the same time. Use K mapping and take advantage of the don’t-care conditions.
Figure 4-72
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Digital Systems Principles And Application
ISBN: 9780134220130
12th Edition
Authors: Ronald Tocci, Neal Widmer, Gregory Moss
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