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MSI Logic Circuits
Modern computers transfer data between different devices over a common set of connecting lines called a data bus.
True
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True
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MSI Logic Circuits
A very important attribute of the conditional signal assignment statement is its sequential operation.
In order to select data input I3 of a 74151 eight-line multiplexer, the select inputs must be:
Output 6 of a 74138 octal decoder is selected when it is enabled by a data input of: A0 = 1 A1 = 1 A2 = 0
A device that determines which of two numbers is greater is a comparator.
All outputs of the 74138 octal decoder are disabled (HIGH) when the enable inputs are:
Output 3 of a 74138 octal decoder is selected when it is enabled by a data input of: A0 = 1 A1 = 1 A2 = 0
A four-line multiplexer must have as inputs four data inputs and two select inputs.
The 74139 dual four-line demultiplexer functions as a demultiplexer if data input is on the line.
The outputs of the 74138 octal decoder are enabled when the enable inputs are .
In order to select data input I1 of a 74151 eight-line multiplexer, the select inputs must be:
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