Meaning: Able to withstand attack. Synonyms: unassailable; unattackable; impregnable; inviolable; secure; strong. Context examples: an impregnable fortress / fortifications that made the frontier inviolable. Similar: invulnerable (immune to attack; impregnable)
Definition - What does Magnetic Disk mean? A magnetic disk is a storage device that uses a magnetization process to write, rewrite and access data. It is covered with a magnetic coating and stores data in the form of tracks, spots and sectors. Hard disks, zip disks and floppy disks are common examples of magnetic disks.
Types of magnetic media The term 'magnetic media' is used to describe any record format where information is recorded and retrieved in the form of a magnetic signal. The common types of magnetic media are: y y y. magnetic tape, including audio cassettes and reel-to-reel tapes, videotapes, computer tapes both on open reels and in cassettes, and tapes used in digital recording processes magnetic hard disks magnetic floppy disks or diskettes. Composition of magnetic media.