AND SOLUTIONS GRADED A+
✔✔Data editing: - ✔✔-Checking data for validity and completeness
Examples:
- Quantity and cost data must be numeric.
- Names must be alphabetic.
-Codes associated with transactions are edited against a database containing valid
codes.
✔✔Data Correction - ✔✔- Systems should provide error messages that alert for editing
data.
- Error messages should specify the problem so corrections can be made.
- Data correction involves reentering data that was not typed or scanned properly.
✔✔Data Processing - ✔✔Performing calculations and data transformations related to
business transactions including:
- Classifying data.
- Sorting data into categories.
-Performing calculations.
-Summarizing results.
-Storing data in the organization's database for further processing.
✔✔Data Storage: - ✔✔- Involves updating one or more databases with new
transactions.
- After being updated, this data can be further processed and manipulated by other
systems.
✔✔Documentation: - ✔✔Generating output records, documents, and reports:
- Hard-copy paper reports.
- Displays on computer screens.
-Results from one TPS can be input to another system.
✔✔Most TPSs provide useful management information, such as: - ✔✔- Printed or on-
screen reports.
- Reports showing current inventory
, - Reports required by local, state, and federal agencies.
✔✔An enterprise system is central to organizations of all sizes. - ✔✔- Ensures that
information can be shared across all business functions and all levels of management to
support the running and managing of a business.
- The ultimate goal is to satisfy customers and provide significant benefits by reducing
costs and improving service.
✔✔Businesses rely on enterprise systems to perform daily activities in areas such as: -
✔✔- Product supply and distribution.
- Sales and marketing.
- Human resources.
- Manufacturing.
- Accounting.
✔✔Enterprise resource planning (ERP): - ✔✔- A set of integrated programs that
manage a company's vital business operations for an entire organization.
✔✔Business process: - ✔✔- A set of coordinated and related activities that takes one or
more kinds of input and creates an output of value to the customer of that process.
✔✔Advantages of ERP - ✔✔- Improved access to quality data for operational decision
making.
- Elimination of costly, inflexible legacy systems.
- Improvement of work processes.
- Opportunity to upgrade and standardize technology infrastructure.
✔✔Disadvantages of ERP - ✔✔- ERP: A Chained Dancer.
- Predefined by Best Practices: To Be, or Not to Be?
- Difficult to Implement: Complex; Long term investment.
✔✔Hosted Software Model for Enterprise Software - ✔✔- Many business application
vendors are pushing the use of the hosted software model for businesses.