System software is a single program.
Answer the following statement true (T) or false (F)
False
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Match each item with a statement below.
A. cloud-based storage that is provided when you create a Microsoft account B. a popular document format which is also supported as a page description language by some printers C. virtual folders in File Explorer that combine content from multiple locations to simplify file access D. a feature that allows Windows 10 computers to print directly to a printer shared from a printer server rather than sending the print job through the print server E. a location in Windows 10 that caches printer drivers and is capable of storing multiple versions of a printer driver F. allows you to manage the printers for your entire network from a single workstation G. an Internet Explorer and Microsoft Edge feature that warns you about websites known to install malicious software or used in phishing attacks H. an Internet Explorer and Microsoft Edge feature that prevents most popup advertising from being displayed while you browse websites I. an Internet Explorer 11 and Microsoft Edge feature that prevents caching of web content and logging of web activity in Internet Explorer
The statement System.out.printf("%3.1f", 1234.56) outputs ___________.
a. 123.4 b. 123.5 c. 1234.5 d. 1234.56 e. 1234.6
(Knight’s Tour: Brute Force Approaches) we developed a solution to the Knight’s Tour problem. The approach used, called the “accessibility heuristic,” generates many so- lutions and executes efficiently. As computers continue increasing in power, we’ll be able to solve more problems with sheer computer power and relatively unsophisticated algorithms. This is the “brute force”
approach to problem solving. a) Use random number generation to enable the knight to walk around the chessboard (in its legitimate L-shaped moves, of course) at random. Your program should run one tour and print the final chessboard. How far did the knight get? b) Most likely, the preceding program produced a relatively short tour. Now modify your program to attempt 1000 tours. Use a one-dimensional array to keep track of the number of tours of each length. When your program finishes attempting the 1000 tours, it should print this information in neat tabular format. What was the best result? c) Most likely, the preceding program gave you some “respectable” tours, but no full tours. Now “pull all the stops out” and simply let your program run until it produces a full tour. [Caution: This version of the program could run for hours on a powerful computer.] Once again, keep a table of the number of tours of each length, and print this table when the first full tour is found. How many tours did your program attempt before producing a full tour? How much time did it take? d) Compare the brute force version of the Knight’s Tour with the accessibility heuristic version. Which required a more careful study of the problem? Which algorithm was more difficult to develop? Which required more computer power? Could we be certain (in advance) of obtaining a full tour with the accessibility heuristic approach? Could we be certain (in advance) of obtaining a full tour with the brute force approach? Argue the pros and cons of brute force problem solving in general.
A(n) ______________ is a device that links network segments to form larger networks but also preserves bandwidth by filtering traffic between segments based on MAC addresses.
Fill in the blank(s) with the appropriate word(s).