单项选择题

A（）is a type of bar chart that illustrates a project schedule.It illustrates the start and finish dates of the terminal elements and summary elements of a project.

A.Gantt chart
B.project histogram
C.milestone chart
D.project flowchart

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单项选择题
The uncertainty of an event is measured by its probability of occurrence and is inversely proportional to that.The more uncertain an event is,the more information is required to resolve uncertainty of that event.The amount of information is measured in（）

A.possibility
B.bits
C.bps
D.probability
单项选择题
Information,in its most restricted technical sense,is a sequence of symbols that can be interpreted as a message.Information can be recorded as signs,or transmitted as（）

A.symbols
B.message
C.signals
D.wave
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