Operating System (OS)
The operating system allows the user to organize the computer's contents in a hierarchical structure of directories that include all of the following except:

Files
Drives
System
Folders

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Process is

program in High level language kept on disk
a job in secondary memory
a program in execution
None of these
contents of main memory

ANSWER DOWNLOAD EXAMIANS APP