The circuit shown in figure performs addition as well as subtraction (using 2's complement). If 4-bit binary numbers A(A3,A2A1A0) - 1011 and B(B3,B2.B1,BO) -1111 are applied to this circuit. When the signal M-1, what are the values for the sum, carry and V outputs? B3 A3 B2 A2 A1 Be Co FA FA FA FA So D- D-

Database System Concepts
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Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Chapter1: Introduction
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The circuit shown in figure performs addition as well as subtraction (using 2's complement). If 4-bit binary numbers A(A3,A2,A1A0) - 1011 and
B(B3,B2,B1,B0) - 1111 are applied to this circuit. When the signal M-1, what are the values for the sum, carry and V outputs?
B3
A3
B2
A2
A1
Bo
Ag
C4
FA
FA
FA
FA
S2
S1
O a S35251S0=1101, C-1 and V=0
Ob S35251SO = 1111, C-0 and V = 1
Oc $35251SO - 1100, C-1 and V = 1
Od 535251S0 = 1100, C =0 and V-0
Transcribed Image Text:The circuit shown in figure performs addition as well as subtraction (using 2's complement). If 4-bit binary numbers A(A3,A2,A1A0) - 1011 and B(B3,B2,B1,B0) - 1111 are applied to this circuit. When the signal M-1, what are the values for the sum, carry and V outputs? B3 A3 B2 A2 A1 Bo Ag C4 FA FA FA FA S2 S1 O a S35251S0=1101, C-1 and V=0 Ob S35251SO = 1111, C-0 and V = 1 Oc $35251SO - 1100, C-1 and V = 1 Od 535251S0 = 1100, C =0 and V-0
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