Select the missing word: System software can be divided into and utility software.

Question

Select the missing word: System software can be divided into <…> and utility software.

BlackTom AI · Accepted Answer

The operating system is the primary category paired with utility software when classifying system software.

Relevant knowledge points and concepts:
- System software manages and controls computer hardware and provides a platform for running application software.
- Main components of system software typically include the operating system (OS), device drivers, firmware, and utility programs (utilities).
- Utility software performs specific maintenance or housekeeping tasks (e.g., disk cleanup, antivirus, backup), but is considered a subset of system-supporting tools rather than application software.

Step-by-step reasoning:
1. The sentence to complete is: "System software can be divided into <…> and utility software." That implies two broad complementary categories within system software.
2. Identify candidate categories from the options:
   - antivirus software: specialized security utility
   - operating system: core system software managing hardware and resources
   - disk management software: a type of utility for storage maintenance
   - word processor: application software for document creation
3. The OS is the central system software that provides process management, memory management, file systems, and hardware abstraction. Utilities are separate system-supporting programs that perform maintenance tasks. Thus the natural dichotomy is "operating system and utility software."

Why the correct answer is correct:
- The operating system and utilities together represent major subdivisions of system software: the OS provides the runtime environment and core services, while utilities provide specific maintenance and support functions. Therefore "operating system" completes the sentence correctly.

Why the other options are incorrect:
- a. antivirus software: this is a type of utility, not a complementary top-level category paired with utilities.
- c. disk management software: also a specific utility type, not a top-level counterpart to utilities.
- d. word processor: belongs to application software, not system software.

Conclusion: The best choice is b. operating system, which matches the provided correct answer.

Select the missing word: System software can be divided into <…> and utility software.单项选择题

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