Which of the following is/ are operating systems?
Correct answer: D. All of these
- A. Windows
- B. Unix
- C. OS/2
- D. All of these
Explanation
Windows, Unix, and OS/2 are all operating systems that manage computer hardware and provide services to applications. Therefore, the inclusive choice is All of these.
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About Hardware and Software
Hardware includes the physical components of a computer, such as the CPU, motherboard, registers, memory, storage devices and peripheral equipment. Software covers system software, application software, utilities, drivers and firmware, with attention to how the operating system manages hardware and how software differs from the physical equipment it controls.
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