ALL ABOUT PROGRAMMABLE READ ONLY MEMORY & ABOUT ROMS||LST||OU EDUCATION
Electrically Erasable Programmable Read Only memory
Difference between PROM, EPROM and EEPROM, in Tamil, types of ROM, 11 th standard computer science
TRANSLATE IN 20 LANGUAGES = Electronically erasable programmable read only memory EEPROM
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. EPROMs are easily recognizable by the transparent fused quartz window in the top of the package, through which the silicon chip is visible, and which permits exposure to ultraviolet light during erasing.
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