The correct answer is: A. System software
System software is a type of computer program that is designed to run a computer’s hardware and application programs. It includes the operating system, device drivers, and other programs that control the computer’s basic functions.
Application software is a type of computer program that is designed to perform a specific task or group of tasks. Examples of application software include word processors, spreadsheets, and games.
Utility software is a type of computer program that is designed to perform a specific task or group of tasks that are related to the computer’s system resources. Examples of utility software include disk defragmenters, file compression programs, and backup programs.
A compiler is a program that translates a program written in a high-level programming language into a low-level programming language.
None of the above is a type of program that gives instructions about operations inside the computer.