Neco 2019 Data Processing Question 21
Practice objective / multiple choice question 21 from the 2019 Neco Data Processing examination.
In a data‑processing cycle, the input step takes 2 s, processing 5 s, storage 1 s and output 3 s. After each cycle a feedback step is performed only if an error is detected. The probability that an error occurs in a cycle is 0.2. If the expected total time for one complete cycle (including possible feedback) is 12 s, find the duration \(f\) (in seconds) of the feedback step.
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About This Question
This is Neco 2019 Data Processing Question 21. It is one of the objective questions from the 2019 Neco Data Processing examination.
Difficulty level: Medium .
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