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.
A hard disk is a type of hard drive; it is the type of hard drive that involves magnetic platters and spinning parts. There are other types of hard drives, namely Solid â¦ State Drives (SSDs). These use flash memory, and, true to their name, have no moving parts. + 9 others found this useful. Luan Thanh.