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1. Show that the output carry in a full adder circuit can be expressed as. Ci +1 = Gi+ Pi Ci = {Gi Pi+ Gi Ci) Al Pi Bi Gi Ci+1 Ci

1. Show that the output carry in a full adder circuit can be expressed as. Ci +1 = Gi+ Pi Ci = {Gi Pi+ Gi Ci) Al Pi Bi Gi Ci+1 Ci

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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DISCUSSION: 1. Show that the output carry in a full adder circuit can be expressed as. Ci +1 = Gi+ Pi Ci = {Gi Pi+ Gi Ci) Al PI Bi Si Gi Ci+1 Ci 2-Using 4 Exclusive - OR gates and a 4 - bit Full adder circuit, construct a 4-bit parallel adder subtractor. Use an input select variable V so that when V = 0 the circuit adds and when V = %3D 1, the circuit subtracts. 3- Design Full subtractor using NAND gates only. 4- Design half subtractor circuit using NOR gates only.
Transcribed Image Text:DISCUSSION: 1. Show that the output carry in a full adder circuit can be expressed as. Ci +1 = Gi+ Pi Ci = {Gi Pi+ Gi Ci) Al PI Bi Si Gi Ci+1 Ci 2-Using 4 Exclusive - OR gates and a 4 - bit Full adder circuit, construct a 4-bit parallel adder subtractor. Use an input select variable V so that when V = 0 the circuit adds and when V = %3D 1, the circuit subtracts. 3- Design Full subtractor using NAND gates only. 4- Design half subtractor circuit using NOR gates only.
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