Figure WD 6-2
In the accompanying figure, how many levels will the selected table of contents have?
A. three
B. two
C. four
D. one
Answer: A
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The Size property of a Font object returns the size measured in ________ by default.
a) pixel b) points c) design units d) None of the above.
Which of the following code segments will read the following two lines from addressFile and place the data in two variables named strName, and strCity?
Bob Johnson Somewhere USA a. ```Dim addressFile As System.IO.StreamReader addressFile = System.OpenText(“address.txt”) strName = addressFile.ReadLine() strCity = addressFile.ReadLine() addressFile.Close() ``` b. ```Dim addressFile As System.IO.StreamReader addressFile = System.IO.File.OpenText(“address.txt”) strName = addressFile.ReadLine() strCity = addressFile.ReadLine() addressFile.Close() ``` c. ```Dim addressFile As System.IO.StreamReader addressFile = OpenText(“address.txt”) strName = ReadLine(addressFile) strCity = ReadLine(addressFile) Close() ``` d. ```Dim addressFile As System.IO.StreamReader addressFile = System.IO.File.OpenText(“address.txt”) strName = addressFile.Input() strCity = addressFile.Input() Close() ```
Chapter 7, Deadlock and Indefinite Postponement, suggests a scheme for avoiding indefinite postponement. Suggest an appropriate modification to the SSTF scheme to create a “nonstarving SSTF.” Compare this new version with regular SSTF with regard to throughput, mean response time, and variance of response times.
What will be an ideal response?
What does the last item in a singly linked structure contain?
A. an empty link B. a link to the first item C. a link to the previous item D. a method for appending an item