
fig : OLD IDE DRIVE
Take a look at a hard disk from a top of the line computer, and an old fashioned video tape cassette. You can get TV and video programmes on the disk on in an instantly retrievable digital format, whereas with the tape, which is analogue, you have to hold down a button and fast forward through metres and metres of fragile tape to get to the next programme.
But which one of these is older?
It is the hard disk, invented in the mid 1950s. The magnetic tape in the cassette pre dates the hard disk by a few decades but you know what I mean… the hard disc has gone from strength to strength.
old discs The old version, the IDE drive, is now known as a Pata drive (Parallel advanced technology attachment).
Let's look at some...