Concept:The operating system manages and coordinates all computer hardware and software resources.
Explanation:The operating system controls the CPU, memory, disk space, and input/output devices.
It decides which program gets which resource, for how long, and in what order.
This process is called resource allocation.
Power supply allocation, file corruption and deletion, and flowcharting are not core operating system functions.
File corruption and deletion is not a purpose of an OS; it normally prevents harm to files.
Flowcharting is a programming design tool, not a system function.
Only resource allocation correctly describes an important job of the operating system.
Answer:D. resource allocation