Data Storage Devices Even before the first computer was conceptualized, data had already been stored on hard copy medium 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 are used for a handful of train tickets and election ballots. Although some may find it surprising, a computer printout is another type of hard copy medium. Pictures, barcodes, and term papers are modern examples of data storage that can later be retrieved using optical technology. Although it consumes physical space and requires proper care, non-acidic paper printouts can hold information for centuries. If long-term storage is not of p....

Number Of Pages: 3

Number Of Words: 808

Got a term paper due soon and need some help quick? You have come to the right place. Essay Galaxy has over 50,000 essays, papers, and reports available for download right now! Get ideas from thousands students just like you to help make that essay perfect. Don't hesitate. Join today and get instant access to our enormous database.

Membership Options Price Savings   1 month subscription    $19.95 recurring * 3 months subscription    $39.95 recurring $19.90 6 months subscription    $69.95 non-recurring $49.75