Which of the following centers on the concept of using information about an end user's environment, activities, connections, and preferences that can improve the quality of interaction with that end user, by reacting to what the system knows and
senses, such as the provision of EC advertising?
A) context-aware computing
B) smart computing
C) intelligent computing
D) location-based computing
A
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When the document is in the custody of a public office:
a. it is permissible to obtain photocopies, which are considered secondary evidence, in a court of law. b. copies of the document should be made but kept separate from the original document. c. the document (or a copy) cannot be used as evidence, in a court of law. d. a summary of the document will suffice.
With the survey method of obtaining information respondents are asked a variety of questions regarding their behavior, intentions, attitudes, awareness, motivations, and demographic and lifestyle characteristics
Indicate whether the statement is true or false
The expectancy theory of motivation predicts that one's level of motivation depends on the attractiveness of the rewards sought by employees and the probability of obtaining those rewards.
Answer the following statement true (T) or false (F)
Session keys are used to ________
A) make cryptanalysis more difficult B) improve authentication C) both A and B D) neither A nor B