A global positioning system (GPS) device uses a(n) _____ to help people find their way around town or more remote areas.
A. user software
B. integrated development environment
C. personal productivity software
D. embedded system
Answer: D
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Available copies replication is applied to data items A and B with replicas Ax, Ay and Bm, Bn. The transactions T and U are defined
T: Read(A); Write(B, 44). U: Read(B); Write(A, 55). Show an interleaving of T and U, assuming that two-phase locks are applied to the replicas. Explain why locks alone cannot ensure one copy serializability if one of the replicas fails during the progress of T and U. Explain with reference to this example, how local validation ensures one copy serializability.
List three features that the MIME standard provides.
What will be an ideal response?
While troubleshooting a network connection problem for a coworker, you discover the computer is querying a nonexistent DNS server. What command-line utility can you use to assign the correct DNS server IP address?
What will be an ideal response?
Once an input stream enters a(n) ____________________ state, all subsequent input statements associated with that input stream are ignored, and the computer continues to execute the program, which produces erroneous results.
Fill in the blank(s) with the appropriate word(s).