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[单选题]
转数计数器未更新报警提示序号是()
A.10086
B.10026
C.10036
D.10006
提问人:网友iefsean
发布时间:2022-01-07
A.10086
B.10026
C.10036
D.10006
(a) | ||||
序号 | A | B | C | D |
0 1 2 3 4 5 6 7 8 9 | 0 0 0 0 0 0 0 1 1 1 | 0 0 0 0 1 1 1 0 0 0 | 0 0 1 1 0 0 1 0 0 1 | 0 1 0 1 0 1 0 0 1 0 |
(b) | ||||
序号 | A | B | C | D |
0 1 2 3 4 5 6 7 8 9 10 11 | 0 0 0 0 0 0 1 1 1 1 1 1 | 0 0 1 1 1 1 0 0 1 1 1 1 | 0 0 0 0 1 1 0 0 0 0 1 1 | 0 1 0 1 0 1 0 1 0 1 0 1 |
(c) | ||||
序号 | A | B | C | D |
0 1 2 3 4 5 6 7 8 9 | 0 0 0 0 0 0 0 0 1 1 | 0 0 0 0 1 1 1 1 1 0 | 0 0 1 1 1 1 0 0 0 0 | 0 1 1 0 0 1 1 0 0 0 |
(a) | ||||
序号 | A | B | C | D |
0 1 2 3 4 5 6 7 8 9 | 0 0 0 0 0 0 0 1 1 1 | 0 0 0 0 1 1 1 0 0 0 | 0 0 1 1 0 0 1 0 0 1 | 0 1 0 1 0 1 0 0 1 0 |
(b) | ||||
序号 | A | B | C | D |
0 1 2 3 4 5 6 7 8 9 | 0 1 1 1 1 0 0 0 0 0 | 0 1 1 1 1 1 1 0 0 0 | 0 1 1 0 0 1 1 1 1 0 | 0 1 0 1 0 1 0 1 0 1 |
B.前者各触发器是同步刷新的,后者则不同步
C.前者计数快,后者计数慢
D.前者由 JK 端接收计数信号,后者则由时钟脉冲端接收计数信号
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