The format of information for computer use is a file.
HFS+
When you format a hard-drive, you will lose any information on that drive.
To open a Lisa file on your computer, you can use a program that supports the file format or convert the file to a more common format that your computer can open.
Information.
Information is stored in some kind of binary format in computers because computer memory is made out of binary digits (bits).
In order to format Windows XP, you will have to use the installation disc. This will erase all the data that you have on your computer.
You don't. When you format your computer it deletes everything. No exceptions. If you want to set your computer back to the way you got it from factory then you can use the disks that you got with your computer.
How to Format my Computer without cd ?
No.
A ZIP file is a format that compresses files to be smaller. A computer can do this, by making the code of the files in the folder a bit smaller. If you want more information on ZIP files use the link provided below.http://en.wikipedia.org/wiki/ZIP_(file_format)#The_structure_of_a_ZIP_file
AVI format
Graphic User Interface, or GUI for short.