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The smallest element (picture element) that can be assigned an
independent color and intensity and can be displayed on a computer
screen. Pixels are square dots arranged in a grid pattern to make up
the images displayed on the screen.
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Portable network graphics format. A compressed image file format
suitable for the Web that might replace GIF because of copyright
issues with GIF format. PNG is non-lossy compressed, supports
interlacing, and can be used with the True Color output type, which
GIF cannot.
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Orientation of a photograph or image that is taller than it is wide. An
image that is wider than it is tall is called a landscape orientation.
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Term for scanning items directly to a website.
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Pixels Per Inch. A measurement of resolution for monitors and
scanners where the individual element is a square pixel.
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Refers to a user’s preferred method of using the scanner. The
scanning software automatically saves certain preferences, such as
the location of toolbars and the destination of a scan, that it detects
during normal use of the scanner. Some preferences are restored each
time the scanner is used, others are maintained only throughout a
scanning session.
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A feature that displays a scanned image so you can view it in the
scanning software. You can then select an area to be saved; make
adjustments to the tone, color and size; and save the final image.
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The rectangular area in the software where the scanned image is
displayed.
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A measurement of the number of dots per inch (dpi) the printer is
capable of printing. Typical laser printers have resolutions of 600 dpi,
typical ink printers have resolutions of 300 dpi for photographs and 600
dpi for text, while imagesetters have resolutions of 1200 or 2400 dpi.
The more dots per inch, the smoother the output and the greater the
number of grayscale levels and colors the device can describe.
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The Product Tour provides an overview of the scanner’s capabilities
and how scanning tasks are completed. It appears each time the
scanning software starts, unless it is specifically disabled. It is also
available in the Help menu.
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A type of black and white, gray, or color image or picture made up of a
matrix of individual pixels or dots. This is also referred to as a bitmap.