【判断题】【消耗次数：1】
标准串行接口只规定了接口电气特性、不涉及通信介质和协议。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
接口是指不同设备之间为实现互连和通信商具有的对接部分。微型计算机有三类接口，即总线接口、串行口和并行口。串行口是指()。
①
蚀 主机和接口之间采用并行传递，接口和外设之间采用串行传送
②
主机和接口之间、接口和外设之间均采用并行传送
③
主机和接口之间采用串行传递，接口和外设之间采用并行传送
④
主机和接口之间、接口和外设之间均采用串行传送
【单选题】
关于串行接口的表述不正确的是（ ）
①
串行通信在一条线路上逐个传送所有比特
②
串行传输方式给发送设备和接收设备增加了额外的复杂性，因为发送方必须明确数据发送的顺序
③
如果串行通信的双方在比特的顺序上无法取得一致，则数据的传输将出现错误
④
由于串行通信的收发只需要一条传输信道，比较便宜又宜于实现，所以适合近距离传输使用。
随机题目
【单选题】
Some words are hard to____ because they have too many
different uses.
①
express
②
explain
③
define
④
describe
【单选题】
Modern ____ perhaps causes more problems than it solves.
①
technique
②
technology
③
tactics
④
tendency
【单选题】
Dreams are beautiful. However, to _____ them needs lots of time and work.
①
discover
②
find
③
achieve
④
stop
【单选题】
— The old man wouldn’ t stay at home for a rest even if it
rained.
—_____. He would feel sick if he stayed home for one day.
①
So would my grandpa
②
So wouldn’ t my grandpa
③
Neither would my grandpa
④
Nor wouldn’ t my grandpa
【单选题】
The dispute is ____ to be settled for a long time to come.
①
uncertain
②
susceptible
③
impossible
④
unlikely
【单选题】
I cannot read your writing. It is ____.
①
legible
②
illegible
③
eligible
④
intelligent
【单选题】
I caught a____ of the car before it disappeared around the
bend.
①
glance
②
glimpse
③
look
④
see
【单选题】
Unless all the members agree to ____ to the plan there may be further development in the course of action.
①
tumble
②
stick
③
come
④
adjust
【单选题】
It was the driver’s ____ that caused him to step on the gas instead of the brake after his car went over the curb.
①
fraud
②
alarm
③
terror
④
panic