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NTPC Graduate Tier 1 2025 Shift-1 📅 06 May, 2025

What is the primary purpose of virtual memory in a computer system?

A
To provide backup for data
B
To increase physical storage capacity
C
To extend CACHE memory for storage
D
To extend RAM capacity by using disk space
Result Summary
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APEDIA

NTPC Graduate Tier 1
2025 • 06 May, 2025 • Shift-1
What is the primary purpose of virtual memory in a computer system?
Correct Answer
To extend RAM capacity by using disk space
Core Issue: Computer programs rely entirely on Random Access Memory (RAM) to run actively, but physical RAM is finite and can get exhausted quickly during heavy......
💡 Analysis & Explanation
Core Issue ▼
Computer programs rely entirely on Random Access Memory (RAM) to run actively, but physical RAM is finite and can get exhausted quickly during heavy multitasking.
Technological Solution ▼
To prevent system crashes when RAM fills up, the Operating System employs a specific memory management technique.
Mechanism ▼
It temporarily transfers inactive data pages from the high-speed RAM onto a designated section of the slower hard drive or SSD (called a paging file).
Conclusion ▼
This technique effectively tricks the system into functioning as if it has more memory, meaning its purpose is to extend RAM capacity by using disk space.