| data processing software | has definition Software used for running businesses, managing data such as payroll, purchases, sales, product inventory etc. |  |
| gathers data together in batches to be processed at a later time |  |
has concerns - accuracy of the data
- security of the data
- privacy of the information gathered about people
|  |
| has design issue how to organize the data and provide useful information to the users so they can perform their work effectively |  |
| is a subtopic of 1.1 - The Nature of Software |  |
| is used to run businesses |  |
| is a kind of software |  |
| performs functions recording sales, managing accounts, printing bills etc. |  |
| software | can be easily duplicated |  |
| can have usability without utility^2 |  |
| can have utility without usability |  |
| deteriorates as it is changed repeatedly |  |
| does not wear out with use like other engineering artefacts |  |
| has quality which is only as good as its lowest-quality reusable component |  |
| is hard to change correctly |  |
| is intangible |  |
| is more reliable if it has fewer failures |  |
| is designed usually for human beings to use |  |
| must be designed with users' input otherwise it may not be usable |  |
| often has a poor design and is steadily becoming worse |  |