4.1 4.2 4.3

; ;

4.1 :,.:,.4.1.2 : 4.1.1

1 1 2 32 1 2 3

1

abcd1G11G0 , abcd G

a b c dGa b c dG0 0 0 00 0 0 10 0 1 00 0 1 10 1 0 00 1 0 10 1 1 00 1 1 1011010011 0 0 01 0 0 11 0 1 01 0 1 11 1 0 01 1 0 11 1 1 01 1 1 110010110

F=G G`2 GGGF1F0 GGabcdabcdG10100abcdG1100

3

1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 0 00 0 10 1 00 1 11 0 01 0 11 1 01 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0

4

1ENEN=12EN=0A2A1A0

Y

100000000 0 0 00 0 10 1 00 1 11 0 01 0 11 1 0 1 1 1 D0 D1 D2 D3 D4 D5 D6 D70D0D1D2D3D4D5D6D7

8A0~A2000~1118Y74LS1518

5 74LS151 74LS15174LS151 3A2A1A0ABC3D

4.2

ABCABCB ABC 10FF 1F 0,

1. Y0~Y9Y9 Y0 Y0~Y910 2nN=10n=44 ,

4DCBA16Y0~Y9

1 1 1 1 1 1 1 1 1 01 1 1 1 1 1 1 1 01 1 1 1 1 1 1 01 1 1 1 1 1 01 1 1 1 1 01 1 1 1 01 1 1 01 1 0 1 00 1 1 1 11 1 1 01 1 0 11 1 0 01 0 1 11 0 1 01 0 0 11 0 0 00 1 1 10 1 1 0

2. Ai Bi Ci-1 Si Ci ,

Ai Bi Ci-1Si Ci0 0 00 0 10 1 00 1 11 0 01 0 11 1 01 1 10 01 01 00 11 00 10 11 1

114

344AB ai bi limigi1ai>biai

1

aibilimigi00110101001001001000

,, A=a3a2a1a0B=b3b2b1b0LMG1A>BAbiai

L(A>B)M(Ab3a3=b3, a2>b2, a3=b3, a2=b2, a1>b1, a3=b3, a3=b3, a3=b3,a0>b0

g3 g2 g1 g0m3 m2 m1 m0M X X X X1 X X X1 1 X X1 1 1 X1 X X XX 1 X XX X 1 XX X X 11111a3

4

4.3

10.6 10.8 10.9 10.10

ab

10.114