CompTIA A+ Exam Cram: Hard Disk Drives are nonvolatile (meaning they don’t lose data when power off) devices that store data, generally 3.5”. visit us at http://www.asmed.com/comptia-a/ for more info .
Apple lle - 1983 This is the computer I did all my school work on, apart from maths 'cos i am disabled. I can't use my hands much, so i used an 8-way footswitch device to type. I only had one disk drive, and had it until it broke from 1984 until 1993 in 3rd year at Uni.
Floppy disk drives have mostly disappeared now, though floppy disks themselves still exist. They have a way of nestling in disorganized places like closets, dusty but probably functional if you happen to have an 'ancient' computer. If not, they're also perfect for upcycling.
How to Recover Data When Your Hard Drive Goes Belly Up
Recover Hard drive software by Recovery Mechanic allows to undelete files, repair damaged corrupted and inaccessible disks partitions, recover deleted files and lost folders, undelete lost and corrupted email databases. http://recoverymechanic.com/