Exercise: Msi Logic Circuits

Questions for: Msi Logic Circuits

A multiplexer is a device that converts some code into a recognizable number or character.
A:
True
B:
False
C:
D:
Answer: B
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The outputs of the 74138 octal decoder are enabled when the enable inputs are
.
A:
True
B:
False
C:
D:
Answer: A
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A very important attribute of the conditional signal assignment statement is its sequential operation.
A:
True
B:
False
C:
D:
Answer: A
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In order to select data input I3 of a 74151 eight-line multiplexer, the select inputs must be:
A:
True
B:
False
C:
D:
Answer: A
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The outputs of a 7485 four-bit magnitude comparator when the inputs are A = 0110 and B = 1010 are:

A < B is 1
A = B is 0
A > B is 1

A:
True
B:
False
C:
D:
Answer: B
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