数字电路答案
S
2S1S0AB000001011010110111101100 0010001011 0101000111 1100101110 1000011101
F=S1S0AB+S2S0B+AS2S1+BS2S0+ABS1S0+ABS1S0+AS2S1+ABS1S0
(3)电路图:
F..............................................S2S1S0AB
2-9
(1)真值表:
36
数字电路答案
A B C DFA B C DF0 0 0 011 0 0 010 0 0 111 0 0 110 0 1 011 0 1 010 0 1 101 0 1 100 1 0 001 1 0 000 1 0 111 1 0 100 1 1 001 1 1 000 1 1 111 1 1 10(2)卡诺图及表达式:
ABCD00011110001101010110110000101101
F=BC+BD+ABD=BCBDABD
(3)电路图:
A&&B&&&FC&D1&
2-10
(1) 真值表:
37
数字电路答案
A B CZ 0 0 01 0 0 11 0 1 01 0 1 10 1 0 01 1 0 10 1 1 00 1 1 10
(2)卡诺图及表达式:
ABC000111100110111000
得Z=ABBCAC (3)电路图: A&&B&&&ZC&&
2-11 (1)
①真值表:
38
数字电路答案
A1 A0 B1 B0FA1 A0 B1 B0F0 0 0 011 0 0 000 0 0 101 0 0 100 0 1 001 0 1 010 0 1 101 0 1 100 1 0 001 1 0 000 1 0 111 1 0 100 1 1 001 1 1 000 1 1 101 1 1 11②卡诺图及表达式:
AB1B01A000011110001000010100110010100001
F=A1A0B1B0A1A0B1B0A1A0B1B0A1A0B1B0
③电路图:
39
数字电路答案
F&&&&...&...................&.&.&.&.A1A0B1B0
(2)
①真值表:
A1 A0 B1 B0FA1 A0 B1 B0F0 0 0 001 0 0 000 0 0 101 0 0 110 0 1 001 0 1 000 0 1 111 0 1 100 1 0 001 1 0 010 1 0 101 1 0 100 1 1 011 1 1 000 1 1 101 1 1 10②卡诺图及表达式:
40