When evaluating the efficiency of a search operation, you take a look at the ratio of true positives to false positives. The correct term for this statistic is ___________________
a. Precision
b. Relevance
c. Recal
d. Dominance
a.
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Display employee’s last name and first name, followed by salary+commission if commission is not null, else display salary only.
Write queries for the following. (Use tables created in Chapter 4 Lab Activity.)
Icons that appear in the ____ include all open windows and programs, certain Apple programs and utilities that come with Lion, and the Trash.
A. Log-in menu B. Dock C. Welcome screen D. Entry utility
You double-click a document called TEST GRAPHICS.VSD and the Visio application opens with the TEST GRAPHICS.VSD file active in a window. What registry hive tracked the file extension and associated it with the Visio application?
A) HKEY_CLASSES_ROOT B) HKEY_CURRENT_CONFIG C) HKEY_LOCAL_MACHINE D) HKEY_CURRENT_USER
A data type is called ____________________ if the variable or named constant of that type can store only one value at a time.
Fill in the blank(s) with the appropriate word(s).