Final answer:
The true statement about information systems is that every information system has at least one application, which is an essential part of such systems that support specific tasks.
Step-by-step explanation:
The statement that is TRUE of information systems is: E: Every information system has at least one application. Information systems are composed of a variety of parts, including hardware, software, data, processes, and people. An application is a kind of software designed to fulfill specific tasks and is a critical component of information systems. Not all information systems are designed to handle every business process activity, nor is it necessary for every business process to include an information system. Additionally, information systems can consist of multiple applications and can be a mix of custom-built and off-the-shelf software solutions.