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6. The circuit shown in Figure 6-71 is a 4-bit circuit that can add or subtract numbers in a form used in computers (positive numbers in true form; negative numbers in complement form). (a) Explain what happens when the Add/Subt. input is HIGH. (b) What happens when Add/Subt. is LOW? A3 B3 A2 B₂ A₁ B₁ Ao Bo Add/Subt O A B Cin Cout Σ 51. A B Cin Σ out A B Cin C out M 1 A B Cin Cout Σ

6. The circuit shown in Figure 6-71 is a 4-bit circuit that can add or subtract numbers in a form used in computers (positive numbers in true form; negative numbers in complement form). (a) Explain what happens when the Add/Subt. input is HIGH. (b) What happens when Add/Subt. is LOW? A3 B3 A2 B₂ A₁ B₁ Ao Bo Add/Subt O A B Cin Cout Σ 51. A B Cin Σ out A B Cin C out M 1 A B Cin Cout Σ

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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6. The circuit shown in Figure 6-71 is a 4-bit circuit that can add or subtract numbers in a form used in computers (positive numbers in true form; negative numbers in complement form). (a) Explain what happens when the Add /Subt. input is HIGH. (b) What happens when Add/Subt. is LOW? A3 B3 A2 B₂ A₁ B₁ Ao Bo Add/Subt O- A B Cin Cout Σ A B Cin C Σ out W A B Cin C Cout Σ A B Cin Cout M Σo
Transcribed Image Text:6. The circuit shown in Figure 6-71 is a 4-bit circuit that can add or subtract numbers in a form used in computers (positive numbers in true form; negative numbers in complement form). (a) Explain what happens when the Add /Subt. input is HIGH. (b) What happens when Add/Subt. is LOW? A3 B3 A2 B₂ A₁ B₁ Ao Bo Add/Subt O- A B Cin Cout Σ A B Cin C Σ out W A B Cin C Cout Σ A B Cin Cout M Σo
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