the information is lost after power is switched off.
RAM
inactive
When you turn off the power, everything is lost.
The contents of these chips are lost when the computer is switched off because they use volatile memory, such as RAM (Random Access Memory). Volatile memory requires a constant power supply to maintain the stored data; when the power is cut off, the data is erased. In contrast, non-volatile memory, like hard drives or SSDs, retains data without power.
Hello, brother theres's no technology yet has come, where we can trace lost mobile, when, it is switched off, but recently htc has come up with new technology where we can trace lost mobile when it switched off
RAM
if the switch in the circuit is switched off, the power is turned off on the object.
If it's actually ROM, nothing should happen to it; ROM is read-only memory. It's possible that the circuits could be so badly designed that switching off power would cause a power surge through the ROM which would damage it, but any company that designed their boards that way deserves to go out of business, preferably by being sued into oblivion.
There is no way to remotely activate a switched off phone.
An electromagnet can - for example in scrapyards where a crane picks up a car with power on, then drops it when power switched off.
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