A real—time operating system(RTOS)is an operating system intended to serve (71) application process data as it comes in,typicall

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问题 A real—time operating system(RTOS)is an operating system intended to serve (71) application process data as it comes in,typically without buffering delays.A key (72)  of a RTOS is the level of its consistency concerning the amount of time it takes to accept and complete an application’S task;the variability is jitter.A hard real-time operating system has  (73)jitter than a soft real—time operting system.The chief design goal is not high throughput,but rather a guarantee of a soft or hard performance category.A RTOS has an advanced algorithm for scheduling.(74) flexibility enables a wider,computer-system orchestration of process priorities,but a real—time OS is more frequently dedicated to a narrow set of applications.Key factors in a real—time OS are minimal (75)latency and minimal thread swishing latency.
(72)

选项 A、characteristic
B、programming
C、structure
D、computer

答案A

解析
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