Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
1. X Design a four-bit combinational circuit 2's complementer. (The output generates the 2's complement of the input binary number.) The table below shows ABCD as input and wxyz as output. Find the Boolean functions for w, x, y and z, respectively. 2. ABCD wxyz 0000 0000 0001 1111 0010 1110 0011 1101 0100 1100 0101 1011 0110 1001 0111 1000 1000 1000 1001 0111 1010 0110 1011 0101 1100 0100 1101 0011 1110 0010 1111 0001 Please trace the calculation A-B on a 4-bit two's complement Adder/Subtractor. Fill out the tables below. G FA S G B₁ A₂ FA $₂ G #₁ A₁ FA G FA Co
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Transcribed Image Text:1. X Design a four-bit combinational circuit 2's complementer. (The output generates the 2's complement of the input binary number.) The table below shows ABCD as input and wxyz as output. Find the Boolean functions for w, x, y and z, respectively. 2. ABCD wxyz 0000 0000 0001 1111 0010 1110 0011 1101 0100 1100 0101 1011 0110 1001 0111 1000 1000 1000 1001 0111 1010 0110 1011 0101 1100 0100 1101 0011 1110 0010 1111 0001 Please trace the calculation A-B on a 4-bit two's complement Adder/Subtractor. Fill out the tables below. G FA S G B₁ A₂ FA $₂ G #₁ A₁ FA G FA Co
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