It is desired that the switch produce only one clock pulse(时钟脉冲) each time it is closed.
举一反三
- Each time a pulse is applied to the clock input of a flip-flop, its outputs change their logic state from high (logic 1) to low (logic 0) or vice versa.
- In addition to the transitions each time you move from one point to another while still on the same subject, use a strong transition when you switch from one subject to another.
- Each cylinder has one starting valve which is usually opened by air pressure and closed by （）
- If an economy is fully utilizing its resources, it can produce more of one product only if it:
- 智慧职教: Each airport has only one terminal.