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Explanation Of Input, Output, Storage Devices And Speed

Accuracy of data input is important. What method of data input would be best for each of the following situations and explain why:
Printed questionnaires - The best method for data input would be a keyboard. The reason the keyboard would be best is because it enables some one to create the needed test that makes the questionnaires.
Telephone survey - The best method of data for this situation would be a voice input device. By doing this a live person does not have to conduct the survey, it can all be done my computer.
Bank checks- The best input for bank checks would be MICR (Magnetic Ink Character Recognition) a magnetic scanning input device. Because banks have to deal with large volume of checks they need a system that can read checks fast. This system reads the numbers at the bottom of the checks and will automatically make adjustments to the proper accounts.
Retail tags- The best data input for retail tags would be a bar code scanner. This is called an optical......


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