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3. We have two 4-bit numbers: A=A3A2A¡Ao and B=B3B2B¡Bo. Design a logic circuit which perform A+B and A-B when a mode (M) input is asserted. If M-1, the circuit performs addition, and if M=0, the circuit performs subtraction. Also, the circuit should check whether A=B or not, regardless of the M input. Equality should result in logic 1 at EQ output. Draw the logic diagram of this circuit. Use block diagrams for the full adders. Implement ripple carry architecture. A-" 4. Sum/Difference A+B A-B Cout A=B?

3. We have two 4-bit numbers: A=A3A2A¡Ao and B=B3B2B¡Bo. Design a logic circuit which perform A+B and A-B when a mode (M) input is asserted. If M-1, the circuit performs addition, and if M=0, the circuit performs subtraction. Also, the circuit should check whether A=B or not, regardless of the M input. Equality should result in logic 1 at EQ output. Draw the logic diagram of this circuit. Use block diagrams for the full adders. Implement ripple carry architecture. A-" 4. Sum/Difference A+B A-B Cout A=B?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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3. We have two 4-bit numbers: A=A3A2A¡Ao and B=B3B2B¡Bo. Design a logic circuit which perform A+B and A-B when a mode (M) input is asserted. If M-1, the circuit performs addition, and if M=0, the circuit performs subtraction. Also, the circuit should check whether A=B or not, regardless of the M input. Equality should result in logic 1 at EQ output. Draw the logic diagram of this circuit. Use block diagrams for the full adders. Implement ripple carry architecture. A Sum/Difference A+B 4 А-В Cout A=B? Cin EQ M - What is inside?
Transcribed Image Text:3. We have two 4-bit numbers: A=A3A2A¡Ao and B=B3B2B¡Bo. Design a logic circuit which perform A+B and A-B when a mode (M) input is asserted. If M-1, the circuit performs addition, and if M=0, the circuit performs subtraction. Also, the circuit should check whether A=B or not, regardless of the M input. Equality should result in logic 1 at EQ output. Draw the logic diagram of this circuit. Use block diagrams for the full adders. Implement ripple carry architecture. A Sum/Difference A+B 4 А-В Cout A=B? Cin EQ M - What is inside?
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