Answer:
System software.
Explanation:
System software are the in-built functions that perform a particular pre-defined task when used in a computer program. An example of a system software is an operating system.
An operating system (OS) is a system software pre-installed on a computing device to manage or control software application, computer hardware and user processes. Some examples of an operating system are QNX, Linux, OpenVMS, MacOS, Microsoft windows, IBM, Solaris, VM etc.
