Pray that your dad doesn't beat you too badly ;)
Just like any computer it should...
No, the family name is your last name.
People can still your identity and create accounts in your name if they are successful. You should protect your computer.
Yes but you should use 2 different browser, eg. internet explorer and firefox
You should check against your designated bank accounts to verify the funds have been transferred.
"Matthew and Mark's accounts" is correct.
You should scan for computer viruses because they can be harmful to your computer and your own personal information that you have stored on your PC. The most common viruses known as Trojans and worms can steal confidential information from your computer. You can get viruses only by clicking in on a website, and you should therefore be careful with trusting unknown websites and you should scan your computer for viruses often.
If you have no computer security, people can find out everything you have done on that computer. If you ordered something online then they could find your credit card number. They could get all of your passwords and email accounts. Basically your computer is at the mercy of the outside world.
Well if you are already on a computer you can use putty or winscp from a windows computer to access another computer. i recommend winscp as a more regular application. if you aren't already on a computer the operating system should be able to set a password for different accounts
Yes kids should have e mails accounts
If you are talking about the Sims 2 on the computer, that should never happen.
Accounts Payable should be capitalized if using the phrase as a proper noun. If not then it does not need to be capitalized.