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Listed below are some operating system abstractions (in the left column) and the hardware components (in the right column)$$\small \begin{array}{cl|cl}\hline \text{(A)}& \text{Thread} & \text{1.}& \text{Interrupt} \\\hline \text{(B)}& \text{Virtual address space} & \text{2.}& \text{Memory} \\\hline \text{(C)} &\text{File system} & \text{3.} &\text{CPU} \\\hline \text{(D)} &\text{Signal} & \text{4.}& \text{Disk} \\\hline \end{array}$$

1. (A) – 2 (B) – 4 (C) – 3 (D) – 1
2. (A) – 1 (B) – 2 (C) – 3 (D) – 4
3. (A) – 3 (B) – 2 (C) – 4 (D) – 1
4. (A) – 4 (B) – 1 (C) – 2 (D) – 3

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How does thread accommodated with you... Is it not. Light weight process

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Answer: (C) A - 3, B - 2, C - 4, D - 1$$\small\begin{array}{|cl|cl|}\hline \text{(A)} &\text{Thread} & \text{3.} &\text{CPU} \\\hline \text{(B)}& \text{Virtual address space} & \text{2.}& \text{Memory} \\\hline \text{(C)} &\text{File system} & \text{4.} &\text{Disk} \\\hline \text{(D)} &\text{Signal} & \text{1.} &\text{Interrupt} \\\hline \end{array}$$Why?

• Thread & Process are handled by CPU.
• File System is used for disk management.
• Interrupt is a type of signal from Hardware/Software source.
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How Virtual address space and Memory are related, VAS is related to disk right?
Virtual Address Space means the memory address used by CPU which is translated by MMU to actual physical address. It is primarily related to memory.

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