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Operating Systems, Quiz 1

May 2024 term, 7 Jul 2024, Set QIM4

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Question 1

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State True or False
In RISC-V, during system calls, the mstatus register stores the current mode of operation of the processor.

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A.
TRUE
B.
FALSE

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State True or False\ In RISC-V, during system calls, the **mstatus** register stores the current mode of operation of the processor. The **ecall** instruction in the xv6 operating system facilitates the transition of the CPU from user mode to supervisor mode. What is a race condition in an operating system?