LCD is an abbreviation for Liquid Crystal Display. Liquid crystal does not emit light by itself, but it displays characters and images by partially transmitting or shielding light such as backlight by liquid crystal.
Morse code has been used for wireless communication since ancient times, and is currently used mainly in amateur radio. Alphabets and...
The one in which the direction of flow of electricity changes with time is called AC(Alternative Current). Outlets located in any home...
For example, although the batteries around us are DC(Direct Current), the outlets connected to the refrigerator etc. are the exchanges....
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