A danger of positive feedback loops is that ____.
A. as more jobs enter, there can be an increase in page faults
B. a single job will be allowed to run to completion and preempt waiting jobs
C. as more jobs enter, it increases the chance of deadlock
D. as more jobs enter, the amount of main memory allocated to each job decreases
Answer: A
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Which data set(s) will produce the longest frequent itemset?
Answer the following questions using the data sets shown in Figure 6.6. Note that each data set contains 1000 items and 10,000 transactions. Dark cells indicate the presence of items and white cells indicate the absence of items. We will apply the Apriori algorithm to extract frequent itemsets with minsup = 10% (i.e., itemsets must be contained in at least 1000 transac- tions)?
Referring to the accompanying figure, which of the following is pointed to by callout F?
A. Status bar B. Tools and controls C. Menu bar D. Toolbar