To turn gridlines off or on, you should click the View Gridlines button in the ____ group on the Table Tools Layout tab.

A. Data
B. Table
C. Format
D. Rows & Columns


Answer: B

Computer Science & Information Technology

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In general, the customer is usually responsible for preparing the transition plan within a contract.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

The second step of the sharp checkpoint recovery procedure is as follows: The log is scanned forward from the checkpoint. The after-images in all update records are used to update the corresponding items in the database. Assuming a locking concurrency control in which locks are held until commit time, show that the updates can be performed in either of the following orders:

a. As each update record is encountered in the forward scan, the corresponding database update is performed (even though the update records for different transactions are interleaved in the log). b. During the forward scan, the update records for each transaction are saved in volatile memory, and the database updates for each transaction are all done at once when the commit record for that transaction is encountered during the forward scan.

Computer Science & Information Technology

Try using a stopwatch to time the execution of the programs in this chapter. Time from hitting return on the command until the next prompt appears. What is the relationship between execution time and the length of the sound? Is it a linear relationship (i.e., longer sounds take longer to process and shorter sounds take less time to process)? Or is it something else? Compare the individual programs. Does normalizing a sound take longer than raising (or lowering) the amplitude a constant amount? How much longer? Does it matter whether the sound is longer or shorter?

What will be an ideal response?

Computer Science & Information Technology

In a decision table, you put a dash in cells containing irrelevant conditions and then merge the columns.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology