What do Sleep, Shut down, and Restart do?

Tech Talk #209–July 22, 2023 What happens when you put your computer to sleep? What’s the difference between restarting your computer, shutting it down, and turning it back on? Sleep When you put your computer to sleep, it goes into low-power mode. In this mode, the display turns off, your computer saves its current state (open files or browser tabs, etc.) to memory, and it stops sending power to most hardware. As long as your

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iOS and battery optimization, Cellphone robocalls

Tech Talk #208–July 8, 2023 iOS and battery optimization The first generation of cell phone batteries were Nickel-Cadmium (NiCad) batteries. NiCad batteries were toxic (the Cadmium part,) heavy, had overheating issues, and developed a memory effect from charging cycles. This memory effect was the source of the old advice to drain your phone down to 0% battery before charging it again. Along came Nickel-Metal Hydride (NiMH) batteries. NiMH batteries got rid of the toxic cadmium,

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