Wake Up and Live Dy Mario Ortiz

* Input and Data Entry Methods

* Input process should be efficient, timely, and logical

* System analysts should study system transactions and business operations to determine how and when data should enter the system

* First thing to think about is whether to use batch or online input methods

* When determine whether to use batch or online input the analyst must consider the following factors

* Batch input data entry usually performed on specified time schedule such as daily, weekly, monthly, or longer

* Online input offers many advantages, including the immediate validation and availability of data

* A popular online input method is Source data automation which combines online data entry and automated data capture using input devices such as magnetic data strips, or swipe scanners.

* Source data automation is fast and accurate, and minimize human involvement

* Input and Data Entry Methods

* Examples of source data automation are

* Automatic teller machines (ATMs) that read data strips on bank cards

* Factory employees who use magnetic ID cards to clock on and off specific jobs so the company can track production costs accurately

* Libraries that use handled scanners to read optical strips on books

* Input Volume

* To reduce input volume, you must reduce the number of data items required for each transaction

* When you reduce input volume, you avoid unnecessary labor costs, get the data into the system more quickly, and decrease the number of errors

* Guidelines will help reduce input volume

* Input necessary data only. Do not input the data item unless it is needed by the system.

* Do not input data that the user can retrieve from system files or calculate from other data

* Do not input constant data

* Use codes. Codes are shorter than the data they represent, and coded...