【名词&注释】
安全性(safety)、文件系统(file system)、精确性(accuracy)、模拟信号(analog signal)、误码率(BER)(bit error rate (ber))、数字信号(digital signal)、质量指标(quality index)、交流电(alternating current)
[单选题]ActiveX组件中______组件提供可用于在计算机文件系统中检索和修改文件。
A. Content Rotator
B. File Access
C. Content Linking
D. Database Access
查看答案&解析
举一反三：
[单选题]Prior to the availability of enterprise EDM, locating a document over a LAN could be difficult, and over a WAN(66)nearly impossible. With the model for collaborative work spreading, and with more users sharing(67)documents through e-mail and the Internet, enterprise EDM had become a necessity.Many businesses are finding their greatest competitive advantage is the ability to harness the document(68)lifecycle. EDM systems manage this lifecycle from creation, revision, storage and(69)retrieval to routing and workflow. They also allow users to work on documents collaboratively.
A. Reusability of information is EDM's main benefit, as well as the key to creating the paradigms that drive business process(70)reengineering.
B. personal
C. available
D. structural
E. nearly
[单选题]计算机网络通信中传输的信号是(29)。
A. 电磁信号
B. 数字信号(digital signal)
C. 既可以是模拟信号也可以是数字信号(digital signal)
D. 以上都不是
[单选题]在数据传输中，误码率反映了系统正常工作状态下的(18)。
A. 冗余性
B. 可靠性
C. 安全性
D. 实时性
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