Archive for February, 2012
Definition of Mechanical Mouse
Mechanical mouse, a noun and a compound word, is a type of mouse in which the motion of a ball on the bottom of the mouse is translated into directional signals. As the user moves the mouse, the ball rolls, turning a pair of wheels mounted at right angles inside the mouse that have conductive [...]
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Definition of Optomechanical Mouse
Optomechanical mouse, a noun and a compound word, is a type of mouse in which motion is translated into directional signals through a combination of optical and mechanical means. The optical portion includes pairs of light-emitting diodes (LEDs) and matching sensors; the mechanical portion consists of rotating wheels with cutout slits. When the mouse is [...]
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Definition of Optical Mouse
Optical mouse, a compound word and a noun, is a type of mouse that uses a CMOS digital camera and a digital signal processor to detect motion. The camera photographs the surface over which the mouse moves 1500 times per second, and the digital signal processor uses the photographs to convert the mouse movement into [...]
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Definition of Red Book
Red Book , a compound word and a noun, is the standards documents of the U.S. National Security Agency entitled “Trusted Network Interpretation of the Trusted Computer System Evaluation Criteria (NCSC-TG-005)” and “Trusted Network Interpretation (NCS-TG-011).” These documents define a system of ratings from A1 (most secure) to D (nonsecure), indicating the ability of a [...]
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