What is the primary function of the 'Page Table' in virtual memory systems? MCQ with Answer and Explanation

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What is the primary function of the 'Page Table' in virtual memory systems?

A. To log the date and time files were created.

B. To arrange text content in alphabetical order.

C. To record the collection of active internet cookies.

D. To map the virtual addresses used by a process to corresponding physical addresses in RAM.

Answer: Option D

Solution (By JKSSB Mock Tests)

The page table is a structural database used by the Memory Management Unit (MMU) to translate a process's virtual memory pages into real RAM frames.

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Which of the following is an example of an open-source operating system?

A. Apple macOS

B. Linux

C. MS-DOS

D. Microsoft Windows 11

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Correct Answer: Option B

Explanation:
Linux is developed under an open-source license, allowing anyone to view, modify, and redistribute its underlying source code freely.

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Question #2

What is the primary function of the 'Shell' component in Linux distributions?

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C. To interpret text-based commands from the user and interface with the operating system kernel.

D. To compile application source code.

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Correct Answer: Option C

Explanation:
The shell is a command language interpreter that executes commands entered via text terminals or input shell script sequences.

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Question #3

Which of the following is a classic example of a single-user, single-tasking operating system?

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Correct Answer: Option B

Explanation:
MS-DOS (Microsoft Disk Operating System) is a historical command-line operating system that natively supported only one user and one running task at a time.

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