In a university environment how might the user access classes “owner,”“group,”“specified user,” and “public” be used to control access to files? Consider the use of the computer system for administrative as well as academic computing. Consider also its use in support of grant research as well as in academic courses.
What will be an ideal response?
The owner class would be useful for private files on the network, such as a student’s
programming assignment. The group access class would be useful for lecture slides or homework
assignments given out to the students of a certain class. The specified user class would
be good for returning homework assignments to students.The public class would be good for
making announcements or posting research papers, and so on.
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When determining the number of channels to use in creating a sound file, the choice is between stereo or ____ sound.
A. monaural B. telephonic C. DAT D. resolved
What is the time complexity of a radix sort?
What will be an ideal response?
What is displayed after line 7 is run?
``` string new1, new2; 1 string text1 = “C++”; 2 string text2 = “math”; 3 string text3 = “chocolate”; 4 stringstream ss; 5 ss << “I love” << text3 << “and” << text2; 6 new1 = ss.str(); 7 cout << new1; 8 st << text1 << “is easy to learn!”; 9 new2 = st.str(); 10 cout << st;``` A. I love chocolate and math B. I love C++ C. I love D. I love math and chocolate.
Discuss disk access time with its requirements.
What will be an ideal response?