4.10 Design a four-bit combinational circuit 2's complementer. (The output generates the 2's complement of the input binary number.) Show that the circuit can be constructed with exclusive-OR gates. Can you predict what the output functions are for a five-bit 2's com- plementer?

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4.10° Design a four-bit combinational circuit 2's complementer. (The output generates the 2's
complement of the input binary number.) Show that the circuit can be constructed with
exclusive-OR gates. Can you predict what the output functions are for a five-bit 2's com-
plementer?
Transcribed Image Text:4.10° Design a four-bit combinational circuit 2's complementer. (The output generates the 2's complement of the input binary number.) Show that the circuit can be constructed with exclusive-OR gates. Can you predict what the output functions are for a five-bit 2's com- plementer?
1.18 Perform subtraction on the given unsigned binary numbers using the 2's complement of the
subtrahend. Where the result should be negative, find its 2's complement and affix a minus sign.
(a) 10011 - 10010
(c) 1001 – 110101
(b) 100010 – 100110
(d) 101000 – 10101
Transcribed Image Text:1.18 Perform subtraction on the given unsigned binary numbers using the 2's complement of the subtrahend. Where the result should be negative, find its 2's complement and affix a minus sign. (a) 10011 - 10010 (c) 1001 – 110101 (b) 100010 – 100110 (d) 101000 – 10101
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