Flannelling by IT man? Can anyone advise the difference between a computer in 'sleep' and 'shut down'

Ive used the same IT man for years to repair and replace various computers. But lately as I learn more, I wonder if I'm being flannelled. £60 for brief advice today seems a lot which is why I am beginning to wonder if I am being stupid! Can anyone please advise, the difference between a computer in 'sleep mode' and 'shut down.' Is it ok to leave a laptop plugged in all the time or does it wear the battery out? Is it best to shut down all the time or can I 'sleep' it most of the time. Advice would be appreciated. 

Parents
  • Sleep means the display is off and the computer isn’t processing running the programmes the same way as if it was on. It will still use some power but will stop the screen burning out as you still have programmes running in the background such as your email client. Having it turned off means the power has shut completely from running the background programmes etc . I would shut it down over putting it to sleep. I put it to sleep when I go on my lunch break. When I go home I turn it off with shut down 

Reply
  • Sleep means the display is off and the computer isn’t processing running the programmes the same way as if it was on. It will still use some power but will stop the screen burning out as you still have programmes running in the background such as your email client. Having it turned off means the power has shut completely from running the background programmes etc . I would shut it down over putting it to sleep. I put it to sleep when I go on my lunch break. When I go home I turn it off with shut down 

Children
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