(A) Write out a truth table for S, R and Q where S and R are...

 

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(A) Write out a truth table for S, R and Q where S and R are functions of X, Y, and Z and Q is a function of S and R. The headings for the columns in the truth table should be X, Y, Z, S, R and Q, X, Y and Z are inputs, and S, R and Q are outputs. (B) Write the expressions for S and R in terms of X, Y and Z. You can do this either from the truth table or the circuit diagram. In either case, write the simplest sum-of-products expressions possible. (C) State the value of Q for each combination of X, Y, Z. In each case, give the value of Q after there are no more changes due to gate delays. 1. II. III. IV. V. VI. VII. VIII. Set X = 0, Y = 0, Z = 0. After all the changes due to gates delays, what is Q? Change Z to 1. After all the changes due to gate delays, what is the value of Q? Change Y to 1. After all the changes due to gate delays, what is the value of Q? Change X to 1. After all the changes due to gate delays, what is the value of Q? Change Z to 0. After all the changes due to gate delays, what is the value of Q? Change Y to 0. After all the changes due to gate delays, what is the value of Q? Change Z to 1. After all the changes due to gate delays, what is the value of Q? Change X to 0. After all the changes due to gate delays, what is the value of Q? Note: "After all the changes due to gate delays" means making sure the electrical signal goes through all the gates and the result stabilizes. Give the truth table for the following circuit. XH YH ZH N H S R Q (A) Write out a truth table for S, R and Q where S and R are functions of X, Y, and Z and Q is a function of S and R. The headings for the columns in the truth table should be X, Y, Z, S, R and Q, X, Y and Z are inputs, and S, R and Q are outputs. (B) Write the expressions for S and R in terms of X, Y and Z. You can do this either from the truth table or the circuit diagram. In either case, write the simplest sum-of-products expressions possible. (C) State the value of Q for each combination of X, Y, Z. In each case, give the value of Q after there are no more changes due to gate delays. 1. II. III. IV. V. VI. VII. VIII. Set X = 0, Y = 0, Z = 0. After all the changes due to gates delays, what is Q? Change Z to 1. After all the changes due to gate delays, what is the value of Q? Change Y to 1. After all the changes due to gate delays, what is the value of Q? Change X to 1. After all the changes due to gate delays, what is the value of Q? Change Z to 0. After all the changes due to gate delays, what is the value of Q? Change Y to 0. After all the changes due to gate delays, what is the value of Q? Change Z to 1. After all the changes due to gate delays, what is the value of Q? Change X to 0. After all the changes due to gate delays, what is the value of Q? Note: "After all the changes due to gate delays" means making sure the electrical signal goes through all the gates and the result stabilizes. Give the truth table for the following circuit. XH YH ZH N H S R Q