In OpenOffice, the sidebar displays tools and options grouped into ________
Fill in the blank(s) with correct word
decks
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Use the date and who commands to write a program called conntime that prints the number of hours and minutes that a user has been logged on to the system (assume that this is less than 24 hours).
What will be an ideal response?
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.
XML technologies allow web pages to change after they have been loaded
Indicate whether the statement is true or false
In the ________ numbering system, each place value digit is ten times greater than the digit to its right
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