When developing a logical data flow diagram, a circle indicates:
A) an element in the environment of the system that sends or receives data.
B) data in motion.
C) data at rest.
D) a process component.
D
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Which of the following is often used as the main repository of a company's historical data (i.e., its corporate memory)?
A. The XBRL instance document. B. The data warehouse. C. The operational system. D. Its digital dashboard.
The thought experiment "Curry in a Hurry" is an example of the effectuation process.
Answer the following statement true (T) or false (F)
Assume that x2, x7 and x8 are the dollars invested in three different common stocks from New York Stock Exchange. In order to diversify the investments, the investing company requires that no more than 60% of the dollars invested can be in "stock 2&q
The constraint for this requirement can be written as: A) x2 ? .60. B) x2 ? .60 (x2 + x7 + x8). C) .4x2 - .6x7 - .6x8 ? 0. D) .4x2 - .6x7 - .6x8 ? 0.
On average, how long does a snowplow wait before the mechanic can begin his repair?
A crew of mechanics at the Department of Transportation garage make minor repairs to snowplows during the winter. The snowplows break down at an average rate of 4 vehicles per day and breakdowns are distributed according to the Poisson distribution. The mechanic can service an average of 7 vehicles per day with a repair time distribution that approximates a negative exponential distribution. Assume an 8 hour day.