Which specialized hardware component handles real-time address translation between virtual memory allocations and physical RAM chips? MCQ with Answer and Explanation

Question
Which specialized hardware component handles real-time address translation between virtual memory allocations and physical RAM chips?
A. BIOS Chipset
B. Direct Memory Access (DMA) Controller
C. Central Processing Unit (CPU)
D. Memory Management Unit (MMU)
Answer: Option D
Solution (By JKSSB Mock Tests)
The MMU is a dedicated hardware structure that maps virtual processor memory references to real physical address rails on RAM modules.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
What scheduling algorithm prioritizes processes based on their remaining computation requirements, preempting a running process if a shorter task enters the ready queue?
A. Shortest Remaining Time First (SRTF)
B. First-Come, First-Served (FCFS)
C. Round Robin (RR)
D. Static Priority Scheduling
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Correct Answer: Option A

Explanation:
Shortest Remaining Time First (SRTF) is a preemptive variant of SJF that continuously evaluates remaining runtime, switching to shorter newly arrived tasks.
This question belongs to: Computer Operating Systems
Question #2
In a multiprocessor system, what is NUMA?
A. Non-Uniform Memory Access, where memory access times vary based on the processor's location
B. Non-Universal Memory Architecture
C. New Unified Memory Access
D. Network Unified Memory Architecture
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Correct Answer: Option A

Explanation:
NUMA is a memory architecture where each processor has local memory, but accessing remote memory takes longer, affecting performance.
This question belongs to: Computer Operating Systems
Question #3
In Windows, the 'Event Viewer' is used to:
A. Manage network connections
B. Configure system startup
C. Edit system registry
D. View system, application, and security logs
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Correct Answer: Option D

Explanation:
Event Viewer displays logs of system events, errors, warnings, and informational messages for troubleshooting.
This question belongs to: Computer Operating Systems
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