A code that is used to gain access to a file
a. Digital signature
b. Password
c. Address bar
B
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Describe informally in what ways the following events di?er from or are similar to transactions with respect to atomicity and durability.
a. A telephone call from a pay phone (Consider line busy, no answer, and wrong number situations. When does this transaction “commit?”) b. A wedding ceremony (Suppose that the groom refuses to say “I do.” When does this transaction “commit?”) c. The purchase of a house (Suppose that, after a purchase agreement is signed, the buyer is unable to obtain a mortgage. Suppose that the buyer backs out during the closing. Suppose that two years later the buyer does not make the mortgage payments and the bank forecloses.) d. A baseball game (Suppose that it rains.)
Case 14-2
Morris, a librarian, wishes to use Microsoft Excel 2016 to manage data on the books in the library. He explores various tabs and buttons in Excel to present the data as intended.
On the Home tab, in the Alignment group, Morris notices the feature shown in the accompanying figure. Morris identifies this feature as the _____ button.
A. ?Decrease Indent B. ?Increase Indent C. ?Align Right D. ?Align Left
Input an Element from input stream data
What will be an ideal response?
List the two identifiers within a method that always mean exactly the same thing when you write an instance method in a class.
What will be an ideal response?