单选题若采用双符号位判断溢出,当出现正溢出时,符号位是 (10) 。 A.01 B.00 C.10 D.11
单选题n个记录直接插入排序所需的记录平均移动次数是______
单选题成功的测试是指运行测试用例后______。
单选题The spiral model is a software development model combining elements of both (73) and prototyping-in-stages, so it's a healthy mix of top-down and bottom-up concepts。
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单选题以下关于大型及复杂项目的计划过程的描述,错误的是{{U}} {{/U}}。 A.大型及复杂项日的计划必须先考虑项目的过程计划 B.大型及复杂项目建立单独的过程规范时,需要平衡成本与效益之间的关系 C.通过建立统一的项目过程将提高项目之间的协作效率,从而保证项目质量 D.大型及复杂项目必须建立以活动为基础的管理体系
单选题在SQL中,SELECT语句的“SELECT DISTINCT”表示查询结果中 (19) 。
单选题DBMS will" manage "the stored data items and assemble the needed items from the (72) database in response to the queries of those who aren't programmers.
单选题设主串长为n,模式串长为m(m≤n),则在匹配失败的情况下,朴素匹配算法进行的无效位移次数为______。
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单选题假设某计算机有IMB的内存,并按字节编址,为了能存取其中的内容,其地址寄存器至少需要 (9) 位。为使4B组成的字能从存储器中一次读出,要求存放在存储器中的字边界对齐,一个字的地址码应 (10) 。若存储周期为200ns,且每个周期访问4B,则该存储器按bit存储的带宽为 (11) Hz。假如程序员可用的存储空间为4MB,则程序员所用的地址为 (12) ,而真正访问内存的地址为 (13) 。
单选题 (17) 这一计算机软件著作权权利是不可以转让的。 A.发行权 B.复制权 C.署名权 D.信息网络传播权
单选题http://www.tsinghua.edu.cn/index.html中的http表示_______。
单选题有关内联网的错误叙述是 (62) ,下列有关网络安全的叙述中,不正确的是 (63) ,对于Intranet,可通过设置 (64) 来防止内部数据泄密、篡改和黑客入侵。
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43.软件的{{U}} (51)
{{/U}}是指软件从一种计算机系统转换到另一种计算机系统运行的难易程度。在规定的条件下和规定的时间间隔内,软件实现其规定功能的概率称为{{U}}
(52) {{/U}}。
单选题ATM(异步传输模式)技术中数据被封装在 (45) 个字节的信元中传输。
单选题The grid computing is a new{{U}} (81) {{/U}}technology connecting the distributed and{{U}} (82) {{/U}}resources to the high-speed network and integrating a super-computer of processing capacity. The significance and architecture of the grid computing is explained. Several kernel technology such as OGSI, resource management, task management, task scheduling, high rate communication and security are described. Aiming at the particularity of the grid computing environment a mechanism similar to the technology of the search engine is designed to registry, discovery and{{U}} (83) {{/U}}the resources in the grid. The whole model of the resource management is built by connecting task manager in the local resource management system to others with P2P model. The task may migrate among the task managers in order to{{U}} (84) {{/U}}the load. The task users summit may be executed in relatively tight resource set, which will not only decrease the total communication overheads of the whole task but also{{U}} (85) {{/U}}the performance of the system.
