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(Backup procedure) Creation of a second copy of files and information found on a computer, or information system, for the intent of files.
No. PDF files contain text,which can be easily selected and copied into another document. JPG images, by contrast, are simply rasterized graphics, and contain no other sort of information.
system volume information containst the system restore files needed to restore the system to an earlier times
The answer is registry.
System Software is the information needed to run the system. like config files and your O.S. (operating system).
File system has data stored in flat files, which stores only processed data. Database system has data stored in table and they may or may not be related to each other. Database system is more efficient and also reduce redundant information which file system can not do.
text file
It means an area of the system memory, that stores the information about the files we select for copying. Not only files but it includes text from wordpad,notepad,internet etc..
It is important to manage your files because they become cluttered and slow your system. It is also important to manage your files because important information is stored in those filed and you might need to retrieve that information.
this folder is so big because it have all system restore files
registry
A system file is the file system provides a method of handling data that makes it easy to store and access information. It also provides a logical method of organizing , retrieving and maintaining information. E.g :there are three types of system files 1)MSDOS.sys 2)IO.sys 3)command.com