单选题CPU执行指令时,先要根据______将指令从内存读取出并送入______,然后译码并执行。
单选题
在Windows XP中,可以使用{{U}} (1)
{{/U}}来浏览日志文件,其中包含有{{U}} (2)
{{/U}}、安全性日志和系统日志。
单选题 (53) 维护的含义是系统的硬件环境、软件环境和数据环境发生变化时需要对系统进行的维护。
单选题已知一组关键字为18,48,36,72,79,82,23,40,16,35,其中每相邻两个为有序子序列。对这些子序列进行一趟两两归并的结果是 (27) 。
单选题
某数值编码为FFH,若它所表示的真值为-127,则它是用{{U}} (1)
{{/U}}表示的;若它所表示的真值为-1,则它是用{{U}} (2)
{{/U}}表示的。
单选题在Windows98的中文标点符号输入状态,为了输入省略号(……),应按的键是
单选题对于一个具有容错能力的系统,______是错误的。
单选题某系统总线的一个总线周期包含4个时钟周期,每个总线周期中可以传送64位数据。若总线的时钟频率为33MHz,则总线带宽为 (207) 。 A.132MB/s B.66MB/s C.44MB/s D.396MB/s
单选题系统集成就是将各类资源有机、高效地整合到一起,形成一个完整的系统。信息系统集成包括网络集成、数据集成和应用集成等。其中,数据集成和应用集成分别用于解决系统的______。 A.互操作性、互连性 B.互操作性、互通性 C.互连性、互通性 D.互通性、互操作性
单选题以下选项中,最适合于用交互式计算机软件解决的问题是______。 A.非结构化决策问题 B.半结构化决策问题 C.结构化决策问题 D.确定性问题
单选题Software design is a (46) process. It requires a certain amount of fl air on the part of the (47) . Design can not be learned from a book . It must be practiced and learnt by experience and study of existing systems. A well (48) software system is straightforward to implement and maintain , easily (49) and reliable. Badly (48) software systems, although they may work are (50) to be expensive to maintain , difficult to test and unreliable.
单选题Each instruction is processed sequentially,and several instructions are at varying stages of execution in the processor at any given time,this is called instruction______
单选题The ______ in E-mail messages has affected almost every computer around the world and has caused the damage of up to US$1 billion in North America.
单选题在操作系统中,存储管理主要是对
单选题
97.Because Web servers are platform and
application{{U}} (1) {{/U}}, they can send or request data from legacy
or external applications including databases. All replies, once converted
into{{U}} (2) {{/U}}mark-up language, can then be transmitted to a{{U}}
(3) {{/U}}. Used in this way, Intranets can{{U}} (4)
{{/U}}lower desktop support costs, easy links with legacy applications and
databases and,{{U}} (5) {{/U}}all, ease of
use.
单选题下列四种软件中,属于系统软件的是
单选题
单选题在软件开发中使用函数库可 。
单选题如图4—5所示的流程中,最少需要______个测试用例就可以完成路径覆盖。
单选题______ is a device which enables digital microcomputers to communicate across analog telephone lines.
