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Definition of "Picture Element" |
The smallest discrete component of an image or picture on a CRT screen usually a colored dot the greater the number of pixels per inch the greater the resolution. / A telephone magneto is a hand-cranked electrical generator that uses permanent magnets to produce alternating current from the rotating armature. In early telegraphy, magnetos were used to power instruments, while in telephony they were used to generate electrical current to drive electromechanical ringers in telephone sets and on operator consoles. |
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