4. A combinational logic circuit that compares between two 2-bit numbers A (AI A0) and B (RI RO) is designed. Output Fis high when A > R and kow when A

Electric Motor Control
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Chapter22: Sequence Control
Section: Chapter Questions
Problem 6SQ: Draw a symbol for a solid-state logic element AND.
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4. A combinational logic circuit that compares between two 2-bit numbers A (AI A0) and B
(RI RO) is designed. Output Fis high when A >R and low when A <R.
a. Are there any conditions which cause none of the outputs to be asserted? If the
conditions exist, what are the inputs?
b. Derive the truth table and obtain the maxterm notation for the output.
e. Obtain the minimized POS expression of the logic circuit.
Transcribed Image Text:4. A combinational logic circuit that compares between two 2-bit numbers A (AI A0) and B (RI RO) is designed. Output Fis high when A >R and low when A <R. a. Are there any conditions which cause none of the outputs to be asserted? If the conditions exist, what are the inputs? b. Derive the truth table and obtain the maxterm notation for the output. e. Obtain the minimized POS expression of the logic circuit.
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