Some mobile phones have the option to schedule switch-off time and switch-on time. Switch-off time is understandable. But how can a mobile switch itself on, if it was completely switched off?
Does this imply that, even when the mobile is switched off, the screen is off and the hardware buttons are not responsive, the mobile is never really switched off?
In: 3
It is correct that the mobile is never really switched off. You can turn off most components, including the radio and main processor. But there is always a tiny clock running in the mobile phone. It is a tiny part of the circuitry without many functions. But it can be programmed to turn on the rest of the phone at a certain time. Or it can measure how long you hold down the power button and turn on the rest of the phone this way. And when the phone starts up it can tell the phone what the time is as it have kept track all the time.
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