Complete the sentences with suitable prepositions.

Write one word in each gap.

Why does the cursor stick [ ] the same place?

Try switching your smartphone [ ] and on again if it doesn't work correctly.

It's a good idea to have an anti-virus program [ ] your computer.

I don't want to boast, but I'm really good [ ] gadgets and electronic devices.

How much time does the Internet take [ ] on a daily basis?