The percent sign is the ____ operator.
A. remainder
B. remaining
C. percentage
D. integer division
Answer: A
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In a recursive program, the number of times a method calls itself is known as the __________.
a. call count b. cyclic identity c. method heap d. depth of recursion
What two main options do organizations have for acquiring or using computer hardware?
Fill in the blank(s) with the appropriate word(s).
A(n) _______________ is a networking device that controls and directs the flow of information over networks, such as e-mail messages, Web browsing, and so on.
Fill in the blank(s) with the appropriate word(s).
Consider optimistic concurrency control as applied to the transactions T and U. Suppose that transactions T and U are active at the same time as one another. Describe the outcome in each of the following cases:
i) T's request to commit comes first and backward validation is used; ii) U's request to commit comes first and backward validation is used; iii) T's request to commit comes first and forward validation is used; iv) U's request to commit comes first and forward validation is used. In each case describe the sequence in which the operations of T and U are performed, remembering that writes are not carried out until after validation