Figure 1 shows a logic circuit that is used as a control system for an electronic device.The logic circuit has three inputs (X, Y and Z) and one output (F). As shown in Figure 1,the logic circuit has a feed back line, by which the last output F is fed back and is used asthe current input to the NAND gate. Therefore, the current output F is determined by threecurrent inputs X, Y and Z and the last output F. In this control system, among three inputsX, Y and Z, at most only one input can change its value on each clock cycle.(Feed back line)DaFigure 1 The logic circuitMeanings of the logic gate symbols used in Figure I are as follows:AND gateNAND gateOR gateNOR gateFigure 2 shows sample input/output status of the logic circuit. For example, the output Fon the clock cycle c (value 0) is obtained from the inputs X, Y and Z on the clock cycle c(values 1, 0 and 1 respectively) and the output F at the clock cycle c-1 (value 0). Subquestion 2From the answer group below, select the correct answer to be inserted into the blankin the following description.When the value 1 is obtained on the clock cycle c at the intermediate point T in Figure 1, itis always true that DAnswer groupa) the output F on the clock cycle c-1 was 0b) the output F on the clock cycle c-1 was 1c) both of inputs X and Y on the clock cycle c are 0d) both of inputs X and Y on the clock cycle c are 1

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Answered: Meanings of the logic gate symbols used…

Meanings of the logic gate symbols used in Figure I are as follows: AND gate NOR gate NAND gate OR gate

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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