1) The main function of secondary storage is to store programs and data when they are not being used. 2) secondary storage is used to store data that is not being used 3) The most widely used form of secondary storage is magnetic disks because they are nonvolatile. 4) They are portable, inexpensive, lightweight, nonvolatile, and easily accesible. 5) It must be formatted, formatting defines the disk surface and erases any pre-existing data. It also scans the disk for any …showed first 75 words of 449 total…

…showed last 75 words of 449 total…are all compatible with most PC's. They all have different methods of retrieving information. Memory buttons are used to identify different items, smart cards are used to keep a running balance or tally of info. 19) CD rom disks have many languages and the major advantage is that they are interactive! 20) keep all records on cd's or on another type of secondary storage as backup to prevent losses from circumstances out of control (power surge etc)