GATE | GATE CS 1999 | Question 9

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Listed below are some operating system abstractions (in the left column) and the hardware components or mechanism (in the right column) that they are abstractions of. Which of the following matching of pairs is correct? 
A. Thread                      1. Interrupt
B. Virtual address space       2. Memory
C. File system                 3. CPU
D. Signal                      4. Disk
A-2, B-4, C-3, D-1
A-1, B-2, C-3, D-4
A-3, B-2, C-4, D-1
A-4, B-1, C-2, D-3

This question is part of this quiz :

OS Memory Management,GATE CS 1999
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Operating Systems
GATE
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