Input/Output Identification

1216 Words3 Pages

Intro The need for accurate data is evident. Systems and procedures are needed to ensure the accuracy and completeness of the information being recorded and understanding the role hardware as well as software plays is important in acquiring the correct resources for any project. Accuracy of Data Input Accuracy of data input is important. What method of data input would be best for the following situations and explain why. • Printed Questionnaires. Questionnaires can be input into a computer using a keyboard and computer screen. Information is created using software found on computer and then output utilizing printing source. • Telephone Survey. Telephone surveys are best when using a telephone to conduct them. A telecommunication line is used (telephone) and input is retrieved by or from human interaction. • Bank Checks. Bank checks can be processed by using a process of magnetic scanning called MICR (magnetic ink character recognition). MICR uses special characters found on the bottom of checks. These characters will show the bank, check number and customer's account number at the bottom of the check. The amount of the check is printed using MICR after the bank receives it. The MICR process magnetizes characters on the check and then sends the data to the computer for checking account processing. This technology is extremely important in the banking industry because of the high volume of checks that are processed daily. • Retail Tags. Bar code scanners can be used to read information off of retail tags such as price and department information. The way that these devices can process this information is by reading data off of the retail tags called UPC codes or Universal Product Code. Once the code is recognized the information is sent to a computer that stores all of the information on that particular product. • Long Documents. Long documents can be scanned in for business use utilizing scanning technology called OCR or Optical Character Recognition. OCR recognizes certain printed characters, which in turn is transferred to a computer for future use or modification. The Convenience of Data Output Convenience and quality of output are very important. What method of output would be best for each of the following situation and explain why. • Hand Held Computer. The hand held computer or what is most commonly known as a Personal Digital Assistant (PDA) is considered a microcomputer in today's technology. These microcomputers are designed to be held in your hand. These little machines are used primarily to store information such as personal/business contacts, calendar appointments, addresses or notes.

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