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Data Storage Devices
Part 1 of Paper
.... and used with a machine. As early as 1801, the
punched card was used as a control device for mechanical looms. One and
one-half centuries later, IBM joined punched cards to computers, encoding
binary information as patterns of small rectangular holes. Today, punch
cards are rarely used with computers. Instead, they.... Part 2 of Paper
....ive must wind through the spool of tape to the exact
location of the desired information. To write, the tape drive encodes data
sequentially on the tape. Because tape drives cannot randomly access or
write data like disk drives, and are thus much slower, they have been
replaced as the primary storage device with the hard drive. The hard drive
is composed of thin layers of rigid magnetic platters stacked on top of one
another like records in a jukebox, and the heads that read and write data
to t.... |
| Number of words: 791 - Approximate pages: 3 |
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