Which category of software includes programs such as word processors and PDF document readers?

Application software encompasses programs designed to help users perform specific tasks. Examples include word processors such as Microsoft Word, which allow users to create and edit text documents, and PDF readers like Adobe Acrobat, which enable users to view and interact with PDF files. This category of software is directly aimed at end-users and enhances productivity by providing tools for various functions, such as writing, editing, communication, and document management.

In contrast, system software serves as a bridge between hardware and application software, primarily managing system resources and providing a platform for applications to run. Utility software typically offers maintenance tools that help manage, maintain, and control computer resources but doesn't focus on specific tasks like creating or editing documents. Project software generally refers to tools designed for project management, such as scheduling and resource allocation, and is less focused on individual productivity applications.