What are the advantages/disadvantages of using a pass-through disk?
What will be an ideal response?
A pass-through disk has performance advantages, but can't be used with differencing disks, nor can it be used in checkpoints.
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The method of creating formulas based on clicking cells instead of typing the cell reference is called the _____ method.
A. cursor B. pointer C. marker D. click
Software for creating PDFs is included with the Mac OS X operating system.
Answer the following statement true (T) or false (F)
Locking-based algorithms for concurrency control can be employed to synchronize the execution of transactions. Explain what is meant by a serializable schedule and show that the following locking-based schedule is not serializable:
S = [wl 1 (y), wl 2 (y), R 1 (y), W 1 (y), R 2 (y), W 2 (y), rl 1 (y), rl 2 (y), wl 2 (z), R 2 (z), W 2 (z), rl 2 (z), C 2 , wl 1 (z), R 1 (z), W 1 (z), rl 1 (z), C 1 ] where R i (x)/W i (x) indicates a read/write by transaction i on data item x rl i (x)/wl i (x) indicates a release/write lock by transaction i on item x C i indicates a commit operation by transaction i.
A Windows 7 business computer can only be reimaged three times
Indicate whether the statement is true or false