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The example of non-volatile memory device is __________

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The example of non-volatile memory device is __________

(a) Magnetic Core Memory

(b) Read Only Memory

(c) Random Access Memory

(d) Both Magnetic Core Memory and Read Only Memory

I have been asked this question in an online interview.

Enquiry is from Introduction of Memory Devices topic in chapter Memory Devices of Digital Circuits

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Right option is (d) Both Magnetic Core Memory and Read Only Memory

Easy explanation: Non-volatile means ‘not volatile’ and non-volatile memory refers to the memory which retains the data even if there is a break in the power supply. The examples of non-volatile memory devices are Magnetic Core Memory & ROM because both have capability to retain the data.

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