A unique signal by a device to let the operating system know that it needs attention is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
interrupt
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A user finds that the later in the day it gets, the slower the tablet is. If the device is restarted, it performs better, but again, the longer the device has been powered up, the slower it performs. What should the technician check first?
A) Memory utilization B) Battery power C) Running apps D) Cloud synchronization
Use the ___ function to return the number of fields in a query result.
A. mysql_return_fields() B. mysql_num_fields() C. mysql_count_fields() D. mysql_field_results()