Final answer:
The Task Manager can be used for managing CPU usage, which is option b. It does not handle disk space allocation or control system boot processes, which are typically managed by other tools.
Step-by-step explanation:
The student is inquiring about the capabilities of the Task Manager utility in a computer operating system. Specifically, the student wants to know which of the following tasks Task Manager can accomplish: Disk Management, Processing Management, or Startup.
Answers to the provided options:
As for the provided options, the correct answer is b. Managing CPU usage. The Task Manager doesn't allocate disk space (Disk Management) or control system boot processes (Startup), those tasks are accomplished by tools like Disk Management Utility and System Configuration respectively.