一起答
单选

某操作系统的内存管理采用段式管理,内存分配采用最佳适配算法,计算机的内存为50M,刚开始时内存均未使用。经过一段时间的运行(其内存申请;释放的序列为:申请20M一申请15M一申请10M一释放15M一申请10M一释放20M一申请4M)以后,内存中存在()。

  • A.2个空闲块,长度分别为10M、16M
  • B.3个空闲块,长度分别为20M、1M、5M
  • C.1个空闲块,长度为26M
  • D.4个空闲块,长度分别为5M、5M、5M、11M
参考答案
查看试卷详情
相关试题
  1. (88)

    • A.Linked
    • B.Pointed
    • C.Dynamic
    • D.Static
  2. (89)

    • A.High-leve language
    • B.Decision tree
    • C.Pseudocode
    • D.Flowchart
  3. (71)data effectively is crucial for success in today's competitive environment. Managers must know how to use a variety of tools. Integrated data takes information from different sources and puts it together in a meaningful and useful way. One of the difficulties of this is the(72)in hardware and software.(73)integration uses a base document that contains copies of other objects.(74)integration uses a base document that contains the current or most recent version of the source document it contains.(75)provides an overview of the program written in" plain" English, without the computer syntax.

    • A.Generalizing
    • B.Sharing
    • C.General-using
    • D.Globalizing
  4. (86)

    • A.similarity
    • B.interoperability
    • C.diversity
    • D.interaction
  5. (87)

    • A.Simulated
    • B.Duplicated
    • C.Dynamic
    • D.Static
  6. (83)

    • A.of
    • B.to
    • C.as
    • D.from
  7. (84)

    • A.forms
    • B.groups
    • C.consist
    • D.Facilitates
  8. (81)

    • A.provides
    • B.have
    • C.expands
    • D.limits
  9. (82)

    • A.elements
    • B.objects
    • C.services
    • D.capability
  10. (78)

    • A.图形
    • B.文件
    • C.元组
    • D.文件系统