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H12-111_V3.0 · Question #157

Among the following options, what are the benefits of the interrupt mechanism that belongs to Huawei LiteOS ()?

The correct answer is A. When peripherals do not need CPU intervention, the CPU can perform other tasks. You've hit your session limit · resets 5:20pm (America/New_York)

Question

Among the following options, what are the benefits of the interrupt mechanism that belongs to Huawei LiteOS ()?

Options

  • AWhen peripherals do not need CPU intervention, the CPU can perform other tasks
  • BThe CPU spends a lot of time waiting and querying the status of peripherals
  • CWhen the peripheral needs the CPU, it needs to wait for the current task to end
  • DReduce the real-time and execution efficiency of the system

How the community answered

(38 responses)
  • A
    76% (29)
  • B
    16% (6)
  • C
    3% (1)
  • D
    5% (2)

Explanation

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