_____________is a method used to confirm the presence of a person by eliciting direct responses from the individual.
Fill in the blank(s) with the appropriate word(s).
challenge response
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In a sentinel-controlled loop which will compute the product of all data items read, the accumulator variable must be initialized to .
a. zero b. one c. the first data item read d. the sentinel value e. none of the above
A ________ is a chart that displays trends over time
A) line chart B) pivot chart C) pie chart D) column chart
Answer the following statement(s) true (T) or false (F)
1. You can specify the number of sides a polygon shape has. 2. If you select a custom shape from the Shape Tool options bar, you can choose from a panel of customized shapes and append new libraries of shapes. 3. Clicking with the Color Sampler tool will display the color mode values in the Info panel. 4. You can select up to three color samples per image when you use the Color Sampler tool. 5. For a more modern feel, use serif fonts, which display in block-like letters without appendages.
_____ determines the overall lightness or darkness of an entire image.
A. Contrast B. Color C. Style D. Brightness