What is the term used for a set of programs that acts as an interface between the applications that are running on a computer and the computer's hardware?

The correct answer to the following question will be the "Operating system".

Explanation:

An operating system seems to be a series of programs that serve as an intermediary between both the machine-running software and the hardware of the device.

Operating systems carry out the following actions, such as:

Receiving input validation from computers with hardware input such as mouse and the keyboard. Sending client output to devices (hardware) like a computer or a printer output. Monitoring the use of computing equipment. Serving as an Application Platform. Manage the directory. Provides security.

Therefore, the Operating system is the right answer.