数字电路答案
ABCD00011110001100010111111000101100
F7(A,B,C,D)=(A+B+C+D)(B+C)(A+C)(A+B+D)
(8)
F8(A,B,C,D)=?M(0,3,5,6,8,10,12,15)
ABCD00011110000101011010110101100110
F8(A,B,C,D)=(B+C+D)(A+C+D)(A+B+D)(A+B+C+D)=(A+B+C+D)(A+B+C+D)(A+B+C+D) 1-18
(1)F1=ABCD+ABCD+ABCD 约束条件 AB+AC=0
ABCD0001111000100101000011××××1010××
F1=BD
21
数字电路答案
(2)F2=ABD+ABD+BCD 约束条件 AB+AC=0
ABCD0001111000100101011011××××1010××
F2=BD+BD
(3)F3=BCD+BCD+ABCD ABCD000111100001×00111××1110××1001×0
F3=BD+AD+BD
(4)F4=ABCD+BCD+ABCD ABCD0001111000×11×011××0111××010×00×
F4?BC?AD
(5)F5=AC+BD+ABC+ABCD 约束条件BC+CD=0
约束条件BD+BD=0
约束条件ABCD+ABCD=022
数字电路答案
ABCD0001111000111×01110111100110×011
F5=D+BC+AC
(6)F6=AB+BC+CD 约束条件
?d(0,1,2,6)=0ABCD0001111000××1×01111×111111100010
F6=B+CD
1-19
(1)F1(A,B,C,D)=邋m(0,1,3,5,10,15)+d(2,4,9,11,14)
ABCD0001111000111×01×10011001×100××1
F1(A,B,C,D)=AB+AC+AC
(2)F2(A,B,C,D)=邋m(0,1,5,7,8,11,14)+d(3,9,15)
23
数字电路答案
ABCD000111100011×00101101100×1101×10
F2(A,B,C,D)=BC+AD+CD+ABC
3)F3(A,B,C,D)=邋m(2,6,9,10,13)+d(0,1,4,5,8,11)
ABCD0001111000××0101××0111010010×1×1
F3(A,B,C,D)=AD+CD+AB
4)F4(A,B,C,D)=邋m(1,3,7,11,13)+d(5,9,10,12,14,15)ABCD00011110000110010×1011×1××100×1×
F4(A,B,C,D)=D
5)F5(A,B,C,D)=邋m(2,4,6,7,12,15)+d(0,1,3,8,9,11)
24
((
( 数字电路答案
ABCD0001111000×××101101111101010×××0
F5(A,B,C,D)=CD+CD+AD
6)F6(A,B,C,D)=邋m(2,3,6,10,11,14)+d(0,1,4,9,12,13)ABCD0001111000××1101×00111××01100×11
F6(A,B,C,D)=CD+BC
7)F7(A,B,C,D)=邋m(3,5,6,7,10)+d(0,1,2,4,8,15)
ABCD0001111000××1×01×1111100×010×001
F7(A,B,C,D)=A+BD
8)F8(A,B,C,D)=邋m(0,4,8,11,12,15)+d(2,3,6,7,13)
25
(
((