What is the primary advantage of using a 64-bit processor with a 64-bit OS? MCQ with Answer and Explanation

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What is the primary advantage of using a 64-bit processor with a 64-bit OS?

A. Lower power consumption

B. Ability to use more than 4 GB of RAM and handle larger integers

C. Better compatibility with older software

D. Faster clock speed

Answer: Option B

Solution (By JKSSB Mock Tests)

64-bit processors and OS support larger memory addressing and can perform 64-bit operations more efficiently.

This question belongs to: Computer Operating Systems

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Question #1

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Which command-line tool in Linux displays summary statistics regarding system uptime, active user sessions, and resource load averages over recent intervals?

A. uname

B. uptime

C. who

D. date

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Correct Answer: Option B

Explanation:
The 'uptime' command prints a single line tracking how long the system has been running, user counts, and system load averages for the past 1, 5, and 15 minutes.

This question belongs to: Computer Operating Systems

Question #2

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What structural concept prevents an application from directly modifying memory frames allocated to another independent active process?

A. Spooling Buffer Layers

B. Memory Protection (via Page Permissions)

C. Asymmetric Slicing

D. Context Switching Delays

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Correct Answer: Option B

Explanation:
Memory protection schemes utilize hardware page tables and boundaries to prevent processes from accessing or corrupting another process's memory space.

This question belongs to: Computer Operating Systems