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OTP memory full form is ?
1. One-Time Programmable Memory
2. One Take Programmable Memory
3. Original Time Produced Memory
4. Original transfer Programmable Memory
5. None of the above

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Correct Answer - Option 1 : One-Time Programmable Memory
  • While the memory contents for a ROM are set at design/manufacturing time, Programmable Read Only memories (PROM) and more recently One-Time Programmable (OTP) devices can be programmed after manufacturing making them a lot more flexible. Once programmed, or blown, the contents cannot be changed and the contents are retained after power is removed.
  • The term “blown” is a historical term related to the programming mechanism of PROMs. Contents were written by using a high voltage to burn out interconnection fuses. These PROMs were blown on special devices called PROM Programmers.
  • The PROM was originally developed as part of a military program related to ICBMs in 1956. The invention is attributed to Wen Tsing Chow who was working for American Bosch Arma Corporation. Commercial devices became available in the late 1960s.

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