Discussion :: Computer Fundamental Miscellaneous
- The memory which is ultraviolet light erasable and electrically programmable is
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Answer : Option D
Explanation :
An EPROM or erasable programmable read-only memory, is a type of memory chip that retains its data when its power supply is switched off. Computer memory that can retrieve stored data after a power supply has been turned off and back on is called non-volatile. It is an array of floating-gate transistors individually programmed by an electronic device that supplies higher voltages than those normally used in digital circuits. Once programmed, an EPROM can be erased by exposing it to strong ultraviolet light source (such as from a mercury-vapor light).
Source : wikipedia.org
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