Combined AIIMS - 2020 (Jodhpur, Bhopal, Patna, Raipur)
Computer and Nursing Information
Easy
The most recent version of Mac OS is based on the operating system.
Appeared in: Combined AIIMS - 2020 (Jodhpur, Bhopal, Patna, Raipur)
Explanation
- Apple's macOS is built on a foundation called Darwin, which is an open-source operating system derived from components of NeXTSTEP and FreeBSD.
- Both NeXTSTEP and FreeBSD are derivatives of the original AT&T Unix, making macOS a member of the Unix family of operating systems.
- This Unix foundation provides macOS with key features like preemptive multitasking, memory protection, and a robust file system.
- Apple's macOS has been officially certified as compliant with the UNIX 03 standard, confirming its status as a true Unix system.
Why Other Options Were Wrong
- Option A: Windows is a separate family of operating systems developed by Microsoft, based on the Windows NT kernel. It is a direct competitor to macOS and has a completely different architecture.
- Option B: Although Linux is 'Unix-like' and shares a common heritage and many design principles with Unix, macOS is not based on the Linux kernel. They are distinct operating systems that evolved independently.
- Option D: CMOS (Complementary Metal-Oxide-Semiconductor) is a hardware technology for making low-power integrated circuits. It is not an operating system. A CMOS chip on the motherboard stores system settings (like date, time, and boot order) but does not run the computer.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Operating System Foundations as background academic context rather than a clinical decision trigger.
- Digital literacy is essential for modern nurses who use various electronic health record (EHR) systems, which may run on different platforms like Windows, or be accessed via web browsers on macOS or other devices.
- Understanding that different operating systems have different strengths (e.g., Unix-based systems are known for stability) can be relevant when considering the reliability of hospital information systems and medical devices.
- What if? If a hospital's primary EHR software only runs on Windows, a nurse trying to access it from a personal Mac might face compatibility issues, requiring solutions like virtualization or web-based access portals. This highlights the importance of understanding system requirements in a clinical setting.
How to Approach the Question
- First, identify the core of the question. It asks for the foundational operating system of macOS.
- Second, analyze the options provided. These are different types of operating systems or related computer terminology.
- Third, recall or deduce the relationship between them. Windows and macOS are known competitors. Linux is known as an open-source alternative. Unix is a historically significant OS. CMOS is hardware-related.
- Fourth, eliminate incorrect options. CMOS is hardware, not software, so it can be eliminated. Windows is a separate OS family. Linux is Unix-like but not the direct base for macOS.
- Finally, select the correct answer. Historical knowledge confirms that macOS evolved from NeXTSTEP, which was based on BSD, a derivative of Unix. Therefore, Unix is the correct foundation.
Concept Tested & Keywords
- Concept Tested: Operating System Foundations
- Stem keywords: Mac OS, based on, operating system
- Lead-in keywords: is
Question ID
QeO4hpg2mbyTFLrAiZXajS
Reference Book
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 8751-8753
Practise the full Combined AIIMS - 2020 (Jodhpur, Bhopal, Patna, Raipur)
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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