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Design an 8-bit Adder/Subtractor with overflow detection using Full Adders. Assume the FA block is already available, so no need for a truth table and a k-map. Use the following 8-bit inputs A = a7a6a5a4a3a2a1a0, B = b7b6b5bb3b2b1b0, where A and B are the numbers to be added or subtracted, and a one bit input M to indicate the mode (adder or subtractor). In the case of subtraction, use A as the minuend and B is the subtrahend. Use the following 8-bit output S = S7S6S5S4S3S2S₁So to indicate the sum result, and the one-bit output C for the final carry out, and the one-bit output V for overflow. In each of the following cases, determine the values of S, C, and V: a) M = 0, A b) M 0, A c) M 1, A d) M e) M 1, A 1, A f) M=0, A g) M 1, A = = = 0111 0111, B = 0110 0110 1000 1000, B = 1001 1001 1100 1100, B = 1000 1000 0101 0101, B = 1010 1010 0000 0000, B0001 0001 0011 1001, B = 1101 0001 0011 1001, B = 1101 0001 -

Design an 8-bit Adder/Subtractor with overflow detection using Full Adders. Assume the FA block is already available, so no need for a truth table and a k-map. Use the following 8-bit inputs A = a7a6a5a4a3a2a1a0, B = b7b6b5bb3b2b1b0, where A and B are the numbers to be added or subtracted, and a one bit input M to indicate the mode (adder or subtractor). In the case of subtraction, use A as the minuend and B is the subtrahend. Use the following 8-bit output S = S7S6S5S4S3S2S₁So to indicate the sum result, and the one-bit output C for the final carry out, and the one-bit output V for overflow. In each of the following cases, determine the values of S, C, and V: a) M = 0, A b) M 0, A c) M 1, A d) M e) M 1, A 1, A f) M=0, A g) M 1, A = = = 0111 0111, B = 0110 0110 1000 1000, B = 1001 1001 1100 1100, B = 1000 1000 0101 0101, B = 1010 1010 0000 0000, B0001 0001 0011 1001, B = 1101 0001 0011 1001, B = 1101 0001 -

Systems Architecture
Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 9VE
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Design an 8-bit Adder/Subtractor with overflow detection using Full Adders. Assume the FA block is already available, so no need for a truth table and a k-map. Use the following 8-bit inputs A = a7a6a5a4a3a2a1a0, B = b7b6b5bb3b2b1b0, where A and B are the numbers to be added or subtracted, and a one bit input M to indicate the mode (adder or subtractor). In the case of subtraction, use A as the minuend and B is the subtrahend. Use the following 8-bit output S = S7S6S5S4S3S2S₁So to indicate the sum result, and the one-bit output C for the final carry out, and the one-bit output V for overflow. In each of the following cases, determine the values of S, C, and V: a) M = 0, A b) M 0, A c) M 1, A d) M e) M 1, A 1, A f) M=0, A g) M 1, A = = = 0111 0111, B = 0110 0110 1000 1000, B = 1001 1001 1100 1100, B = 1000 1000 0101 0101, B = 1010 1010 0000 0000, B0001 0001 0011 1001, B = 1101 0001 0011 1001, B = 1101 0001 -
Transcribed Image Text:Design an 8-bit Adder/Subtractor with overflow detection using Full Adders. Assume the FA block is already available, so no need for a truth table and a k-map. Use the following 8-bit inputs A = a7a6a5a4a3a2a1a0, B = b7b6b5bb3b2b1b0, where A and B are the numbers to be added or subtracted, and a one bit input M to indicate the mode (adder or subtractor). In the case of subtraction, use A as the minuend and B is the subtrahend. Use the following 8-bit output S = S7S6S5S4S3S2S₁So to indicate the sum result, and the one-bit output C for the final carry out, and the one-bit output V for overflow. In each of the following cases, determine the values of S, C, and V: a) M = 0, A b) M 0, A c) M 1, A d) M e) M 1, A 1, A f) M=0, A g) M 1, A = = = 0111 0111, B = 0110 0110 1000 1000, B = 1001 1001 1100 1100, B = 1000 1000 0101 0101, B = 1010 1010 0000 0000, B0001 0001 0011 1001, B = 1101 0001 0011 1001, B = 1101 0001 -
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