Tha major disadvantages of using of a special machine instruction to enforce mutual exclusio is select one:
a. that it cannot be used to support multiple critical sections
b. only applicable to fixed number of processes on a single processor system
c. difficult to verify
d. busy waiting

What software programs are used to to create professional publication? a.) graphics programs b.) word processors c.) page layout programs d.) spreadsheet programs

What are some examples of what can be changed through options available in the font dialog box? check all that apply. font family italicizing bolding pasting drop shadow cutting character spacing special symbols

8. create an abstract student class for parker university. the class contains fields for student id number, last name, and annual tuition. include a constructor that requires parameters for the id number and name. include get and set methods for each field; the settuition() method is abstract. create three student subclasses named undergraduatestudent, graduatestudent, and studentatlarge, each with a unique settuition() method. tuition for an undergraduatestudent is $4,000 per semester, tuition for a graduatestudent is $6,000 per semester, and tuition for a studentatlarge is $2,000 per semester. write an application that creates an array of at least six objects to demonstrate how the methods work for objects for each student type. save the files as student. java, undergraduatestudent. java, graduatestudent. java, studentatlarge. java, and studentdemo. java.