What user account is known as the system administrator or super user account?

If you enter only one value for the border-radius property, that radius is applied to only one corner.

Answer the following statement true (T) or false (F)

Find the error(s) in the following code, which is supposed to read a line from some- file.txt, convert the line to uppercase, then append it to somefile.txt.

``` 1 String file = "someFile.txt"; 2 String contents; 3 4 File someFile = new File( file ); 5 FileReader inputFile = new FileReader( someFile ); 6 BufferedReader input = new BufferedReader( inputFile ); 7 8 contents = input.readLine(); 9 10 contents = contents.toUpperCase(); 11 12 input.close(); 13 14 FileWriter outputFile = new FileWriter( someFile, false ); 15 PrintWriter output = new PrintWriter( outputFile ); 16 17 output.println( contents ); 18 output.close(); ```

Spelling & Grammar checking, the Thesaurus, and Research Tools are all examples of ________ tools

Fill in the blank(s) with correct word

Joe Has read and write access to his own home directory. Joe and Ann are collaborating on a project, and Joe would like to give Ann write access to one particular file in this home directory. Which of the following types of access control would this reflect?

A. Role-based access control B. Rule-based access control C. Mandatory access control D. Discretionary access control