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¶ … Computer Parts
For printed questionnaires, it is perhaps best to scan the document. This would have the advantage of simply translating the information on the questionnaire directly into the computer, where it can be further processes and used. On the other hand, scanning would have the disadvantage that it does not necessarily check that the information in the questionnaire is correct and one still has to ensure manually that all the questions were answered, etc. Additionally, the scanning method may prove a little bit more expensive than other methods.
For the telephone survey, manual data entry seems the obvious choice, since the operator receives the information directly and I can think of no technology that can actually take over data and transfer it from the telephone to the computer.
In the case of bank checks, due to the high level of accuracy that needs to be reached, I would suggest something like an optical...
In the case of a hand held computer, adaptable devices such as smaller memory chips are available.
For a color photograph, I would suggest a high resolution printer, because we would tend to emphasize quality in this case. An ink jet printer would probably be preferred.
For a resume or a memorandum a normal laser printer can be used, because we are only interested in the actual information that is presented in these documents rather than in its quality.
For a statistical report, given the fact that we may have a lot of graphs and charts, we may consider using a plotter, that is an output device specially designated for diagrams, etc.
Finally,…
Bibliography
1. Wikipedia at http://en.wikipedia.org/wiki/Primary_storage
On the Internet at http://en.wikipedia.org/wiki/Primary_storage
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