When the data to be deleted in a B-tree are not in a leaf node, we must find substitute data. The most efficient solution is to substitute the data with the ____.

A. immediate successor
B. immediate predecessor
C. root
D. the leftmost child


Answer: B

Computer Science & Information Technology

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Indicate whether the statement is true or false

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An Excel workbook that supports macros has the ________ file extension

A) .xlsc B) .xls C) .xlsx D) .xlsm

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If you prefer to use the Windows command line, you can display event log information via the ____ command.

A. wevtutil B. eventvwr C. eventlog D. wevtlogs

Computer Science & Information Technology

__________ are the functional, or atomic, operations of a processor.

A. Micro-operations B. Interrupts C. Subcycles D. All of the above

Computer Science & Information Technology