Operations, such as addition and subtraction, are called ____________________ operations.

A possible misspelling is indicated by a _____.

A. wavy blue underline B. wavy red underline C. solid blue underline D. solid red underline

It is possible that while a disk request for a particular cylinder is being serviced, another request for that cylinder will arrive. Some disk scheduling disciplines would service this new request immediately after processing the current request.Other disciplines preclude the servicing of the new request until the return sweep of the disk arm.What dangerous situation might occur in a disk scheduling discipline that allowed immediate servicing of a new request for the same cylinder as the previous request?

What will be an ideal response?