数字电路-第二版-贾立新-课后习题答案.pdf

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1 1 1 2 3 4 5 6 7 8 9 10 11 12 2 = 1A.2 16 10= 1100100.1111 2 10= 11010.001 26.125 100.9375 1011111 01101 2= 137.32 133.126 8= 5B.2B 16 1011 486 5.14 10010011 101 10 2= 110111 2 2 10= 010010000110 8421BCD= 011110111001 10= 0101.00010100 8421BCD 8= 95.40625 10 8421BCD= 93 01 01 3 1 0 0 1 3BCD 13 14 15 16 17 ABC 100 AB+BC= 0 = 00 = A+B +B A+C =__1__ AA++C AB ABB BA BBA ABC CBA A ABCABC A Z=ABC + A+BC AA++BCBC++ A+C +C Z = ( CBA CBA ( ) CA 18 __ AB+ABC+ A+B F= A+B A+B+C AA++BB++ ++CC AB+CD +E F = C+D D E EE 19 F CBA CD CDCD F = DCCBA ABDE ABDE ABDE DB DD C AB F A,B,C = M 1,3,4,6,7 PROCESS Y= AB C Y= m 1,3,9,11,12,13,14,15 F A,B,C = m 0 0 2 5 ABC Y Y 20 21 22 23 24 VHDL 25 VHDL VHDL 26 27 VHDL 28 VHDL 29 VHDL

1 2 6 11001010 30 A 14752 B 62936 C 53452 D 37481 31 A 202 B 192 C 32 A 33 3E 16 B 92 106 D 38 16 D 62 A 337.2 16 B 1467.1 16 D 36 16 C 1100110111.001 2 16 C 163 637.1 3D 16 C37.4 16 8 E6HE6 2 8 8 D 8 8 100 7 C C C 301 10 D D D 74H74H 16 B 0 B 10 2 B 8 D D 10 10100011 100100011 A= 10.44 1010.1 12.4 100101110 2 B 166 A= 0A.8 16 A=A= 0A.80.8 A= 20.21 A= 20 5 5 9 9 9 A3 000101100011 8421BCD D 12F 16 C 34 A C 35 A 36 A 76H 118D B 76H 142D C E6H 230D D 74H 116D 37 A A= C A= 38 A 6 B 7 C 39 A 8 40 A 2421BCD B B 41 A B BCD C BCD D BCD 42 3 A 10001000 B 43 A 44 A 15 B 8 C 45 A 1 1 A A B 46 10111011 C 11101110 D 11101011 1 A C 0 D 1 7 D 8421BCD C 8421BCD 8421 0 1= 8 C 15 B 9 D 3 D 10111011 7 D 2421 0 6 1 1 1 4 BCD BCDBCD 0~9 4 0 1 10010111 8421BCD 10010111

1 3 A B AA D B A B B A C B B D 0 A 47 A A C A 48 A A A B A ABC 49 A ABC B 1+BC C A D 50 A C A )CA)(BA( D A BA 1 C AB A ABD B BC AB A 1 B 0 D A BC 1BABA BDA 51 F ( CBA ) A A F A B F 52 ZY XY B A CBCBA YZ Y YY XY C C C F A+B+C D +C D FF C D )( )( )( )()()( ZYZYYX ( ( YYX ) ( ) C C C C C D 53 F FF BA BA BBA B CD CD CD F = ) ( )DC D DCBA AB DC B F CBBA ( )( CBA A 54 A C 55 A F=C B ) CB CBCB AB B B B D D D )DC)(BA( )DCC ( C C BA F = CBBA )( ( CBBA ) T1.55 F=ABC C F=AB+C D A B C F A B C F 0 0 0 0 1 0 0 1 0 1 0 0 0 1 1 1 1 0 0 1 0 1 1 1 0 1 1 1 0 1 1 1 F =AB +BC 56 A ABC = 000 B ABC = 010 C ABC = 101 D 57 ABC ABC F=1 CD F ABC = 110 F=0

1 4 A A = 0 , BC = 1 58 A 1100 B B B = 1 C = 1 C C = 1 D = 0 D BC = 1 D = 1 l F A,B,C,D = m 0,1,2,4,6,13 0110 D 1110 1001 C A B C D 59 60 A 61 1 0 1 1 B F (A,B,C)= m (0 C 1 4 6) D - CABAF C F AB AC C D D D F CABA F B AC BA ABCDEFGH A 62 A 63 A 13 B 12 C 12 C 12 C 64 VHDL 8 B DACAB 82 C 1983 B A 65 VHDL 28 D D D 6 D 6 6 6 6 D 16 16 5 5 1 1 1985 C 1985 C 1987 1985 1985 1987 D 1989 OUT BUFFER OUT BUFFER = <= 66 67 68 VHDL IN INOUT IN INOUT VHDL VHDL B 69 A C 70 A = B = D C D VHDL

1 5 0 1 4 0 1 2 8 9 0000 G3G2G1G0 G3G2G1G0 G3G2G1G0 0000 0000 0000 0001 0010 0100 0011 0110 1100 0010 0100 1000 0110 0101 1001 0110 0101 1001 0110 0101 1001 0110 0101 1001 1110 0111 1011 1110 0111 1011 1110 0111 1011 1110 0111 1011 1110 0111 1011 1111 1111 1010 1111 1111 1010 1111 1111 1010 1111 1111 1010 1111 1111 1010 1101 1101 1110 1101 1101 1110 1101 1101 1110 1101 1101 1110 1101 1101 1110 1100 1100 0110 1100 1100 0110 1100 1100 0110 1100 1100 0110 1100 1100 0110 1000 1000 0010 1000 1000 0010 1000 1000 0010 1000 1000 0010 1000 1000 0010 1.2-4 BCD BCDBCD 3 3 3 1 2 3 4 G3 B3B2B1B0 B0 3 33 G3G2G1G0 B0 B1 B2 B3 B1 B2 B3 G0 G1 G2 0 0 0 1 1 1 3 3 F X1 X2 Xn BABA A B C 1 2 3 3 4 5 0 3

1 6 1 2 3 4 2 3 4 1 B=C A+B=A+C AB=AC A+B=A+C AB=AC B=C m115 m116 A=1 B=C B C A=0 A=0 A+B=A+C B C B=C 115=1110011B 116= 1110100B A+B=A+C AB=AC A=1 B=C B=C B=C AB=AC 6 Y BA BC Y BA BC BCBA CBBA CBACBACBABA A B C Y 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 7 P1.7 B P1.7 P1.8 F ABBABA ABA ABB BABABA A B F 0 0 0 0 1 1 1 0 1 1 1 0 - 8 P1.8

1 7 F ( )( CBBABA ) BCACBABA BCACBACBA A B C 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 9 L=AB+BC L AB BC AB BC 10 P1.10 - F 0 0 0 1 1 1 0 0 Z= f A B C P1.10 A B C Z 0 0 0 0 0 0 1 1 0 1 0 0 0 1 1 1 1 0 0 0 1 0 1 0

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数字电路-第二版-贾立新-课后习题答案.pdf

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