Match List I with List II. List I: (a) Disk, (b) CPU, (c) Memory, (d) Interrupt. List II: (i) Thread, (ii) Signal, (iii) File system, (iv) Virtual address space.

1. A(a)-(i); (b)-(ii); (c)-(iii); (d)-(iv)
2. B(a)-(iii); (b)-(i); (c)-(iv); (d)-(ii)
3. C(a)-(ii); (b)-(i); (c)-(iv); (d)-(iii)
4. D(a)-(ii); (b)-(iv); (c)-(iii); (d)-(i)

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Show answer & explanation

Correct answer: B. (a)-(iii); (b)-(i); (c)-(iv); (d)-(ii)

Explanation

The OS abstracts the disk as a file system, the CPU as threads, memory as a virtual address space, and interrupts as signals.