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The PROM starts out with _____________(a) 1s(b) 0s(c) Null(d) Both 1s and 0sThis question was posed to me in an international level competition.I'm obligated to ask this question of Programmable Read Only Memory in chapter Memory Devices of Digital Circuits

Answer»

Right choice is (B) 0S

The explanation is: PROM is a one-time programmable device, which is programmed by the user. The PROM STARTS out with all 0s. These current pulses blow the FUSE links, thus creating the desire pattern.



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