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Operating Systems · End Term · 10 May 2026 · January 2026 term · Set 1-2

Question 14: In xv6 on RISC-V, which register contains the system cal…

Question 14

+2 marksOne correct option

In xv6 on RISC-V, which register contains the system call number when the user process traps into the kernel?

  1. A

    a0

  2. B

    a7

  3. C

    sp

  4. D

    sepc

Show answer

Correct answer

  • B

    a7

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Question 14 of 20 in the IIT Madras BS Operating Systems (Operating Systems) End Term paper sat on 10 May 2026, in the January 2026 term (OS 10 May 26). It carries 2 marks.

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