Foreword
“Most systems people use the term real-time rather loosely,” the young manager said. We were seated over dinner with three members of her staff and some other managers who took part in the day’s seminar. “They say they’ve got a real-time constraint when they’re worried about impatient insurance brokers or bankers sitting in front of their terminals. A real-time system, in their minds, is just one that needs to be ‘quick as a bunny.’ If they fail to meet that constraint, their users might be inconvenienced or even annoyed. When we use the term, it means something rather different.”
Her co-workers began to smile, knowing what was coming. “We build systems that reside in a small telemetry computer, equipped with all kinds of sensors to ...
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