单项选择题
Circuit-switching technology is used in Publish Switched Telephone Network(PSTN), Global System for Mobile Communications(GSM) and code Division Multiple Access (CMDA) . It is a ( ) information transfer mode.
A. connection oriented
B. connectionless
C. high bandwidth utilization
D.poor real-time
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相关考题
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单项选择题
Information theory is related to the quantification of information. This was developed by Claude E. Shannon to who found fundamental limits on ( ) operations such as compressing data and on reliably storing and communicating data.
A. signal
B. data
C. information
D. signal processing -
单项选择题
某项目的项目经理在进行项目范围变更时,在对项目的技术和管理文件做了必要的修改后，他下一步应该（）。
A、及时通知项目干系人
B、修改公司的知识管理系统
C、获取客户的正式认可
D、获得政府认可 -
单项选择题
以下各项中，（）不属于知识产权。
A、著作权
B、专利权
C、隐私权
D、商标权
