Final answer:
A software system offered 'as a service' includes database software, email software, office suite software, operating system software, and spreadsheet software.
Step-by-step explanation:
A software system offered 'as a service' typically consists of various components and configurations depending on the specific service provider. One common configuration is the use of **database user interface and query software** such as Affiliated Computer Services ACS FIREHOUSE or Microsoft Access to store and manage data. Additionally, **email software** is often included for communication purposes, and an **office suite software** like Corel WordPerfect Office Suite or Microsoft Office may be provided for document creation and collaboration. The system also requires an **operating system software** like Microsoft Windows to provide a stable platform, and **spreadsheet software** like Microsoft Excel may be included for data analysis and manipulation.