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Which of the following best describes the fusible-link PROM?(a) Manufacturer-programmable, reprogrammable(b) Manufacturer-programmable, one-time programmable(c) User-programmable, reprogrammable(d) User-programmable, one-time programmableThis question was posed to me during an interview.Asked question is from Programmable Read Only Memory in section Memory Devices of Digital Circuits

Answer»

The CORRECT CHOICE is (d) User-programmable, one-time programmable

To explain: The fusible-link PROM is user programmable and one time programmable. It means that a written program can not be reprogrammed. EPROMs can be ERASED and re-programmed.



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