Analog Digital Feature
signal shape
numerical values for signal measurements
amount of data that can be transmitted
energy requirements
privacy and security (ability of the signal to be encoded in a secret code)
clarity of signal

answer; ///400 ibs;

the answer is b. executive summary. a management summary, or executive summary, is a short article or section of a document, produced for business purposes, that condenses a longer report or proposal or a group of related reports in such a way that readers can rapidly become familiar with a large body of material without having to read it all.