QNo:4.7 answer only this question exciusive-OR gates.REFERENCES1.Rhyne, V. T., Fundamentals of Digital Systems Design. Englewood Cliffs, N.J.: Prentice-Hall. Inc.,1973.2.Peatman, J. P., The Design of Digital Systems. New York: MeGraw-Hill Book Co., 1972.3. Nagle, H. T. Jr., B. D. Carrol, and J. D. Irwin, An Introduction to Computer Logic. Englewood Cliffs,N. J.: Prentice-Hall. Inc., 1975.4. Hill, F. J., and G. R. Peterson, Introduction to Switching Theory and Logical Design, 2nd. ed. NewYork: John Wiley & Sons. Inc. 1974.5.J.: Prentice-Hall. Inc., 1963.Maiey, G. A., and J. Earle, The Logic Design of Transistor Digital Computers. Englewood Cliffs, N.6. Friedman, A. D., and P. R. Menon, Theory and Design of Switching Circuits. Woodland Hills, Calif.:Computer Science Press. Inc., 1975.PROBLEMS4-1A combinational circuit has four inputs and one output. The output is equal to 1 when (1) all theinputs are equal to 1 or (2) none of the inputs are equal to 1 or (3) an odd number of inputs are equalto I.(a) Obtain the truth table.(b) Find the simplified output function in sum of products.(c) Find the simplified output function in product of sums.(d) Draw the two logic diagrams.4-2.Design a combinational circuit that accepts a three-bit number and generates an output binary num-ber equal to the square of the input number.It is necessary to multiply two binary numbers, each two bits long, in order to form their product inbinary. Let the two numbers be represented by a,, a, and b, b, where subscript 0 denotes the leastsignificant bit.(a) Determine the number of output lines required.4-3.(b) Find the simplified Boolean expressions for each output.4-4. Repeat problem 4-3 to form the sum (instead of the product) of the two binary numbers.4-5. Design a combinational circuit with four input lines that represent a decimal digit in BCD and fouroutput lines that generate the 9's complement of the input digit.4-6. Design a combinational circuit whose input is a four-bit number and whose output is the 2's comple-ment of the input number.4-7.Design a combinational circuit that multiplies by 5 an input decimal digit represented in BCD. Theoutput is also in BCD. Show that the outputs can be obtained from the input lines without using anylogic gates.4.8Design a combinational circuit that detects an error in the representation of a decimal digit in BCD.In other words, obtain a logic diagram whose output is logic-1 when the inputs contain an unusedcombination in the code.134 Chapter 44-9. Implement a full-subtractor with two half-subtractors and an OR gate.4-10. A BCD-to-seven-segment decoder is a combinational circuit that accepts a decimal digit in BCDand generates theplaying the decimal digit. The seven outputs of the decoder (a, b, c, d, ef, g) select the correspondingsegments in the display as shown in Fig. P4-14(a). The numeric designation chosen to repre-sent the decimal digit is shown in Fig. P4-14(b). Design the BCD-to-seven-segment decoderappropriate outputs for selection of segments in a display indicator used for dis-circuit.aE2345678f(a) Segment designation(b) Numerical designation for displayFigure P4.14A-F2B-F,Figure P4.154-11. Analyze the two-output combinational circuits shown in Fig. P4-15. Obtain the Boolean functionsfor the two outputs and explain the circuit operation.4-12. Derive the truth table of the circuit shown in Fig, P4-15.

Make a digital circuit that takes a BCD digit as input and produces the output that is equal to 5…

4-7. Design a combinational circuit that multiplies by 5 an input decimal digit represented in BCD. The output is also in BCD. Show that the outputs can be obtained from the input lines without using any logic gates.

4-7. Design a combinational circuit that multiplies by 5 an input decimal digit represented in BCD. The output is also in BCD. Show that the outputs can be obtained from the input lines without using any logic gates.

Database System Concepts

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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