If you are using the Windows operating system then it is possible. If you are using Mac OS X then it is not possible.
To steal valuable information and to mess with you.
It shouldn't be possible, but if you're running windows and missing some patches, it is. Either way, it's unlikely. If someone hijacked your computer, the last thing they'd want to do is tip you off.
Yes. It is possible for someone to fall asleep at the computer.
It would be possible to quit claim someone on the TITLE without them knowing. You would not have a way to make them liable for the note without their knowledge.
It allowes someone to input a device into the computer. (Connect an ipod, flashdrive, etc.)
The same way you'd connect someone else's computer to the internet. But if you mean to say that your computer's I/O template won't let you connect registered jacks like POTS or Ethernet, then just break out one of your free ports onto protoboard or wire wrap and use a cheap microcontroller to connect it.
It Is Possible But You Would Have To Be Clever
How to recover data, or whether it is possible at all, depends what exactly the problem with the computer is.
It's theoretical possible, but not likely. But if someone managed to do this, then yes, your computer would overheat.
If someone wants to connect to a usenet server then they need to have a usenet client on their computer. This will be configured to access the usenet server and then will enable it to be used.
Yes it is,virus' like these are called spyware and are used by hackers to spy on what you do in your computer once they enter your computer
Someone who is not knowing or ignorant may be called uneducated or uninformed.