What is a weighted graph?
a. It is a graph in which each branch is given a numerical value
b. It is a graph where all the edges are bidirectional
c. It is a graph where all the edges are directed from one vertex to another
d. A graph where there is a path between every pair of vertices
a. It is a graph in which each branch is given a numerical value
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In effect, an async method allows you to write code that looks like it executes ________, while the compiler deals with the complicated issues of managing asynchronous execution.
a) efficiently b) outside any method c) sequentially d) repeatedly
Which of the following statements are true?
``` a. If a file (e.g., c:\temp.txt) does not exist, new File("c:\\temp.txt") returns null. b. If a directory (e.g., c:\liang) does not exist, new File("c:\liang") returns null. c. If a file (e.g., c:\temp.txt) does not exist, new File("c:\\temp.txt") creates a new file named c:\temp.txt. d. If a directory (e.g., c:\liang) does not exist, new File("c:\liang") creates a new directory named c:\liang. e. None of the above. ```
Docking stations may include slots for memory cards, optical disc drives, and other devices.
Answer the following statement true (T) or false (F)
Circuit-switched networks were designed primarily for voice signals.
Answer the following statement true (T) or false (F)