Consider the following relations:
Bank (BName, City)
Courier (CName, City)
Produce a relational algebra expression to show the names of the couriers located in every city where Chase Bank is located.
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Which of the following is NOT one of the ways that Facebook is useful for professional networking?
A) Workers at all levels use Facebook to connect with other business people in their cities. B) Workers at all levels use Facebook to connect with other professionals in their industries. C) Facebook is the second most popular site for employers seeking to fill new positions. D) Facebook is only used by high-level executives to seek out new employment.
Select the element that displays an image on a web page
a. a b. img c. image d. graphic
A processor has a branch?target buffer. If a branch is in the buffer and it is correctly predicted, there is no branch penalty. The prediction rate is 85% correct. If it is incorrectly predicted, the penalty is 4 cycles. If the branch is not in the buffer, and not taken, the penalty is 2 cycles. Seventy percent of branches are taken. If the branch is not in the buffer and is taken the penalty is 3 cycles. The probability that a branch is in the buffer is 90%. What is the average branch penalty?
What will be an ideal response?
What is the difference between the Chinese wall model and the Brewer and Nash model
What will be an ideal response?