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Static memory holds data as long as __________

(a) AC power is applied

(b) DC power is applied

(c) Capacitor is fully charged

(d) High Conductivity

I have been asked this question during an online interview.

The query is from Introduction of Memory Devices topic in section Memory Devices of Digital Circuits

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The correct answer is (b) DC power is applied

For explanation: In any semiconductor equipment, AC power can’t be supplied directly. So, static memory holds the data as long as DC power is applied.

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