Which statement about hashing is false?
a. Hashing facilitates high-speed storing and retrieval of data.
b. Two different data items can hash to the same cell; this is called a collision.
c. A load factor of 0.5 usually results in good hashing performance, but less efficient utilization of memory.
d. A load factor of 1.0 usually results in good hashing performance, but less efficient utilization of memory.
d. A load factor of 1.0 usually results in good hashing performance, but less efficient utilization of memory. Actually, the reverse is true.
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Some web pages are “invisible.” That is, no search engine will return them in a query. Why do these pages exist?
a. no other web page links to them b. they are synthetic c. they are file types browsers don’t understand d. all of the above
The ____________ structure is built into Java; by default, statements execute in the order they appear
Fill in the blank(s) with the appropriate word(s).
After typing a paragraph using the Emphasis style, you press Enter to continue, but the new paragraph will not retain the Emphasis style. This result happens because:
A) the Emphasis style cannot be used on two consecutive paragraphs. B) each style has a following paragraph style. C) styles need to be reapplied for every new paragraph. D) the Enter key is also the shortcut key for Clear Formatting.
The major benefit of _____ is that it gives a clear picture of current system functions before any modifications or improvements are made.
A. the four-model approach B. balancing C. leveling D. the Zachman Framework