更改会造成触发器或其他自动机制使用与更改相关的信息更新事件库。
The change causes a trigger or another automated mechanism, to update the event store with information about the change.
原始条件:使用D触发器( 74 LS 74 )、“与”门 ( 74 LS 08 )、“或”门( 74 LS 32 )、非门 ( 74 LS 04 ),设计三位二进制模5计数器。
Original conditions: Use D flip-flop (74 LS 74), " and" gate (74 LS 08), " or" gate (74 LS 32), non-gate (74 LS 04), three binary mod 5 counter design.
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