Sources of Data Input and Output

Accuracy of data input is important. What method of data input would be best for each of the following situations and why: * Printed Questionnaires: * Keyboard and mouse * User can type data using the keyboard and use the mouse to click/select pieces of data * Telephone Survey: * Voice input device * Surveys may be set up to function using voice recognition for users responding to a fixed set of questions * Bank Checks: * MICR (Magnetic Ink Character Recognition) * The characters encode the account number, bank transit and check number, usually processed automatically. * Retail Tags: * POS (Point of Sale) System * Manages the selling process from an accessible salesperson interface and allows for the creation and printing of receipts. The device may have a barcode scanner that contains information for a specific product, which is useful for pricing and inventory details. * Long Documents: * Optical Data Reader * A scanner identifies the characters and ava Convenience and quality of output are important. Explain what method of output would be best for each of the following situations and why: * Hand-held computer: * Visual output (i.e. – LCD monitor) * LCD (Liquid Crystal Display) monitors are ideal for laptop computers for the output of text or low resolution graphics using smaller display sizes * Color Photograph: * High Resolution Printer * Using photo paper, high resolution printers can be used to produce multicolor images using different dimensions * Resume: * Printed Hardcopies or Email