It depends on the nature of the information. It is certainly only common courtesy to ask permission.
If you are printing contents of files from the computer without permission it falls into the realm of theft of information if the information you print is not already in the public domain.
If you have permission then you are not 'hacking'.
No.
Laws regarding taking someone's picture without permission can vary by jurisdiction, but in general, there may be restrictions on taking photos in certain situations, such as during a state meeting or in places where privacy is expected. It's always best to ask for permission before taking someone's picture to avoid any legal issues.
Yes
no, as long as you have permission from the owner, or are friends with the owner. if bot, it will be considered trespassing.
Spyware may be illegal, and will typically gather information about your computer, or your personal information, without permission. Adware does not typically gather your information, and instead will 'spam' you or place advertisements on your computer against your will.
Putting someone's picture on a shirt is not necessarily illegal. However, to avoid problems, you should definitely get their permission first.
what do you call people who us etheir computer to download films an dmusic with oput permission which is illegal ....net...../
Not if you have their permission, or the permission of their guardian if they are under age. If you are going to go into the business of cutting hair, it is probably illegal without a license.
No it is illegal for Microsoft to collect information such as your ip address from your computer with out your permission.
Yes. It doesn't matter if you make money off of it or not. If you use someone else's music without their permission it is ILLEGAL.
If the computer belongs to you, then you can hit it with anything you like.Otherwise you should get permission before you whack it with anything.