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An advantage of magnetic input media, such as magnetic tape or disks, is that they provide a cost-effective way to store large amounts of data. Magnetic media also offer fast access to stored information and are portable and easily exchangeable between systems.
Yes the magnetic media does allow you to delete existing data and save new ones (rewrite)
Of these only CD-ROMs use LASERs to access the data. The others are magnetic storage devices.
Magnetic
A data storage device is anything that will hold computer files, from the old days of magnetic tape to today's portable USB drives. Well, it depends on how much data you want to store. You can use an external hard drive for large amounts or a portable thumb drive for smaller amounts. Which data storage device you choose depends largely on the amount of data you need to store.
Offsite data is sending data to a critical main location. Data is normally transported using storage media such as magnetic tips and optical storage. Many companies choose to store data with third parties.
Magnetic forces are not necessarily bad for computers, as mechanical hard disks use them to store information. However, you shouldn't place any magnetic objects near them as it will ruin your data that's store on those kinds of disks.
Magnetic tape backup of your data is done with a magnetic tape data storage system. You can use digital recording to store your digital data on the magnetic tape as a backup.
A magnetic tape is a secondary storage media used to access data in a sequential way
Magnetic Storage
Yes, storage media can be damaged by magnetic and electric fields. Strong magnetic fields can disrupt the data stored on magnetic media such as hard drives and floppy disks. Electric fields can cause data corruption in electronic storage devices like solid-state drives and flash drives. It is important to keep storage media away from strong magnetic and electric fields to prevent damage.
Magnetic storage media are items like floppy and hard disk drives. They are based on magnetic transfer of data between the heads and the computer.