Software that run the computer's hardware devices and coordinates instructions between applications is called

The question above contains multiple choices;

a.       Application

b.      Recovery

c.       Backup

d.      System

The answer is d) System software.

The system software consists of the operating systems and utility programs which are usually preinstalled. The operating system controls how a PC system functions. Utility programs, on the other hand, perform general tasks for the computer like system maintenance and file compression.

none because it's so obvious

what? ? i don't get it