Digital Electronics- MSI Logic Circuits

Digital Electronics- MSI Logic Circuits
31. A demultiplexer takes an input and turns it into a binary number.
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32. A device that determines which of two numbers is greater is a comparator.
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33. When outputs a, b, c, d, and g of a 7447 BCD-to-seven-segment code converter are active, the number displayed is 5.
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34. When data input I4 of a 74148 octal-to-binary encoder is active, the data output is:
A0 = 1
A1 = 1
A2 = 0
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35. It is normal for more than one decoder output to be active at the same time.
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36. Basically, a multiplexer changes parallel data inputs to a serial output.
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37. Modern computers transfer data between different devices over a common set of connecting lines called a data bus.
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38. The select inputs to a multiplexer may also be called address lines.
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Digital Electronics
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