Which of the following is a true statement regarding data flows?
A) A data flow to a data store means retrieve or use.
B) A data flow from a data store means update.
C) A data flow may have double-ended arrows.
D) A data flow represents data at rest.
E) A join in a data flow means that exactly the same data come from any of two or more different processes, data stores, or sources/sinks to a common location.
E
Explanation: E) The join in data flow adheres to standard rules for guiding data flow diagramming.
CL
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Which of the following events would be considered an extraordinary item?
a. An airline experienced a significant loss due to a strike by employees of the company who provide its aircraft maintenance. b. A food cannery was faced with a large loss of inventory of canned soups due to government condemnation because of possible botulism contamination; the company had never experienced a similar situation in its history. c. A company, located on an island which has experienced severe flooding three times in the past 25 years, was subjected to a heavy loss of physical plant due to flooding. d. A medical corporation was required to pay damages equal to three times its average net income to a patient. The corporation had experienced suits of this nature in the past, but the amount of the losses had never exceeded 5 percent of the corporation's average net income.
The French would write a date as follows:
a. September 25, 2--- b. Paris, le 25 septembre 2--- c. 9/25/2--- d. 25th of September, 2---
Reno, driving while intoxicated, causes a car accident that results in the death of Santo. Reno is arrested and charged with a felony. Afelony is a crime punishable by death or imprisonment for A) any period of time
B) more than one year. C) more than six months. D) more than ten days.
The shortest-route problem finds the shortest-route
a. from the source to the sink. b. from the source to any other node. c. from any node to any other node. d. from any node to the sink.