Which method requires external authority and is inflexible?
A. Open loop method
B. Closed loop method
C. Both of the mentioned
D. None of the mentioned
Answer:A
Which method requires external authority and is inflexible?
A. Open loop method B. Closed loop method C. Both of the mentioned D. None of the mentioned
Explanation: Open loop method is inflexible, does not adjust quickly to unplanned changes and needs external authority that provides prior knowledge, where as closed loop method does not need all these.