Information Systems and Computer Applications CLEP Prep 2025 – 400 Free Practice Questions to Pass the Exam

An operating system is the foundational software that manages all other programs and resources on a computer. This includes providing a platform for applications to run, managing hardware resources, and facilitating communication between the user and the computer. Option B is incorrect as a set of commands is a part of an operating system, but not the complete definition. Option C is incorrect as an operating system does much more than just facilitate communication between the user and the computer. Option D is incorrect as design software is not the primary function of an operating system.