synchronous

GRE

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synchronous 同时的，同步的

syn-,一起，-chron,时间，词源同 chronic,chronicle.

1660s, "existing or happening at the same time," from Late Latin synchronus "simultaneous," from Greek synkhronos "happening at the same time," from syn- "together" (see syn-) + khronos "time" (see chrono-). Meaning "recurring at the same successive instants of time" is attested from 1670s. Related: Synchronously.
1. The message can be used only with synchronous operations .

2. A synchronous motor drives the measuring bob at a constant rotational speed.

3. Polling is a synchronous mechanism, where devices are serviced in sequence.

4. Counters can be generally classified as either serial or synchronous.

5. This type of counter is called a parallel - carry synchronous counter.