A hard disc stores vast amounts of data. It is usually inside the computer but can be a separate peripheral on the outside. Hard discs are made up of several rigid coated metal discs. Currently, hard discs can store 15 to 30 Gb (gigabytes)
A floppy disc, 3.5″ square, usually inserted into the computer and can store about 1.4 megabytes of data. The 3.5″ square .floppies. have a very thin, flexible disc inside. There is also an intermediate-sized floppy disc, trademarked Zip discs, which can store 250 megabytes of data.
A program or device whose use is intuitive to people with a nontechnical background.
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