Data Input Methods

Topics: Hard disk drive, Computer data storage, Floppy disk Pages: 6 (1746 words) Published: June 11, 2007
Data Input Methods
Optical data readers
The best data input method for printed questionnaires would be Optical Data Readers. Optical Data Readers are a special type of scanning device to be used on documents. Optical Data Readers fall under two categories, optical mark recognition (OMR) and optical character recognition (OCR) (Stair, R., Reynolds, G., 2004). Printed questionnaires which, for instance, can be used for surveying groups of people regarding a particular subject can utilize OMR through the utilization of OMR paper refer to as "mark sense form". This special type of paper requires those completing the questionnaires to fill in boxes using pencils. From there, the readers can recognize their marks in response to the questions on the questionnaire in order to gather the needed information. Also, for more in-depth questionnaires, OCR readers, which reflect light to recognize various characters, can convert handwritten or typed documents into digital data by utilizing special software (Stair, R., Reynolds, G., 2004). Voice recognition devices

For a telephone survey, a voice-recognition device would be the best method to input data. Voice-recognition devices utilize microphones and special software to record and convert the sound of the human voice into digital signals. This method would pork best because these voice recognition devices can record and translate into digital signals as the telephone survey is being conducted (Stair, R., Reynolds, G., 2004). Magnetic ink character recognition device

Magnetic ink character recognition (MICR) is the best method for reading and inputting bank check data quickly. When using MIRC, data is placed on the bottom of a check using a special magnetic ink. Data which is printed utilizing this special ink uses a special character set can be read by both people and computers (Stair, R., Reynolds, G., 2004). Bar code scaners

Bar code scanners utilize a laser scanner to read a bar-coded label on retail tags. Retailers can utilize this technology to control and keep track of their merchandise by scanning their retail tags as merchandise comes in and goes out of the store. This would be the best method of inputting retail data because this allows the system to track how much inventory is left within the store (Stair, R., Reynolds, G., 2004). Scanning device

Documents such as long documents would best be inputted using an input device such as a scanning device. Scanning devices works similarly like a photo machine. The page is place into the scanner and the data on that page is scanned into the computer. These scanners can convert monochrome or color pictures, forms, text, and other images into machine-readable digits. Many companies use scanning devices to help them manage their documents and cut down on the high cost of using and processing paper (Stair, R., Reynolds, G., 2004). Data Output Methods

Hand held computer
Liquid crystal displays are flat-panel displays which make them an ideal output method for more compact devices such as hand held computers. The way LCDs work is that they are flat displays that use liquid crystals – organic, oil-like material placed between two polarizers – to form characters and graphic images on a backlit screen (Stair, R., Reynolds, G., 2004). Color photograph

A color photograph can be best view in two ways. One way is through a display monitor. A display monitor is a TV-screen-like device in which output from a computer is displayed. If one uses a digital camera to take pictures, more than likely that user would have to first transfer those images to a computer in order to view them. The secondary output would to then print them out onto photo paper through a printer. A printer would allow the user to have a hardcopy of the image. Resume

Resumes would best by viewed through either a display monitor or outputted through a printer for a physical hardcopy. Many employers accept resumes via Internet so they can access and view one's...

References: Stair, R., Reynolds, G. (2004). Fundamentals of Information Systems (2e). Boston, MA:
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