You can have as many windows as you want open at one time.
as many as the computer can take.
theres no limit to it, but after a while your computer will be a bit slower (depeing on your processor and RAM)
Typically no, but computer hackers can access anything they put their minds to.
You will need Microsoft Access installed on your computer to open MDB files.
Ports are like doors to a computer each computer has many ports. Without any open ports your computer wouldn't be able to access the internet, to find open ports you can try a portscan
You can save any attachment to your computer. You will need Microsoft Access to actually open it.
The main reason there is a lack of window screens in France is because of the way the windows are made. In the United States, most residential windows are made to open up and down, which makes it easy to add screens. In France, most of the windows open out, like French doors. This makes it difficult to fit them with screens.
Put the CD into your computer there is usually a piece of software that will open allowing you to access the additional content.
as many as you want
You access itunes on your computer by opening up the file to where you've downloaded itunes to. You open the browser to where itunes has been saved and will restart your computer once you've clicked on it in order to add itunes onto your desktop.
It depends what you mean by 'cant access'. a) If your computer crashed while a file was open - Open Office should automatically attempt to recover the file next time you open it. b) If the file is locked by a password - you need to enter the correct password to open it.
Random access Memory is a memory which helps open programs in the computer to run properly this memory is removed once all of the computer is turned of you can add more RAM to make your computer faster to open programs if your computer has all the RAM in use you cannot open any more. Like you said an average computer has 4-6 GB of ram
Make sure that the username and password are correct and that the internet access from your computer is working.
TextEdit is located in your Applications folder. Open Applications and it is located there. You can also access it from Finder.