Answer:
1. DLL Files.
2. System software repair.
3. Software configuration.
4. Human-computer interaction.
5. A graphical user interface (GUI).
Explanation:
1. DLL Files can become lost or damaged on a computer and prevent it from working correctly. These are important registry files used by various system softwares to perform specific tasks.
2. System software repair is a type of software you can run to help fix computer problems. Some examples are disk defragmenter, regedit, etc.
3. Software configuration means the process of setting up an application and selecting specific options. This is usually done in the settings section of a software application or program.
4. Human-computer interaction is the name of the discipline concerned with the design of optimal user interfaces.
5. A graphical user interface (GUI) is what users make use of to interact with graphical icons and other visual elements in order to accomplish tasks.