Computer Science Even before the first estimator was conceptualized, data had already been stored on hard sham specialty and used with a machine. As early as 1801, the punched flyer was used as a control device for windup(prenominal) looms. One and one-half centuries later, IBM joined punched separate to computers, encoding double star development 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 hazard it surprising, a computer printout is another type of hard copy speciality.
Pictures, barcodes, and term papers are modern examples of data retention that can later be retrieved using optical technology. Although it consumes forcible space and requires proper care, non-acidic paper printouts can hold information for centuries. If long-term storage is not of prime concern, magnetic medium can retain tremendous amounts of data and consume little space than a single pie...If you want to get a full essay, order it on our website:
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