A(n) ________ power supply contains a battery that maintains power when a power outage occurs
Fill in the blank(s) with the appropriate word(s).
Answer: Uninterruptible. Some UPS for computers are designed so that a backup is automatically triggered if there is a power outage.
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A three-phase commit protocol has the following parts:
Phase 1: is the same as for two-phase commit. Phase 2: the coordinator collects the votes and makes a decision; if it is No, it aborts and informs participants that voted Yes; if the decision is Yes, it sends a preCommit request to all the participants. participants that voted Yes wait for a preCommit or doAbort request. They acknowledge preCommit requests and carry out doAbort requests. Phase 3: the coordinator collects the acknowledgments. When all are received, it Commits and sends doCommit to the participants. participants wait for a doCommit request. When it arrives they Commit. Explain how this protocol avoids delay to participants during their ‘uncertain’ period due to the failure of the coordinator or other participants. Assume that communication does not fail.
You can use a file compression utility to decompress, or unzip, compressed files and restore them to their original state.
Answer the following statement true (T) or false (F)
The ability to update changes is a major benefit of working with named colors.
Answer the following statement true (T) or false (F)
Outline shows artwork with its fill and stroke colors.
Answer the following statement true (T) or false (F)