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单选

以下关于嵌入式实时系统说法错误的是(35)。

  • A.实时系统要求在任何情况下,结果产生的时间都应该是可以预期的
  • B.实时操作系统采用虚拟内存管理方式实现对内存资源的合理分配和存取
  • C.实时操作系统中,为了能够保证响应时间,应当允许具有较高优先级的任务够抢占低优先级的任务运行
  • D.由于文件系统对于实时系统来说不是必需的,因此实时操作系统中的文件系统部分最好是一个可以自由裁减的组件
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