COSC 4330                   QUIZ #1                 September 16, 1999

Closed Book.   You can have one sheet of notes.  Each question is
worth 20 points.

1.   True or False

T ___          F ___     Unix was strongly influenced by MS-DOS.
T ___          F ___     Unix uses a layered kernel.

2.   What is the major disadvantage of microkernels?



3.   What would be themajor disadvantage of an operating system
     lacking timer interrupts?

4.   How many lines will be printed by the following program:
     main()  {
               if (fork()== 0) {
                    printf("Hello!\n");
               }
               printf("Goodbye!\n");
          }
                              It will print exactly ____ lines.
 
5.   What is the major advantage of having privileged instructions?


--IMPORTANT----IMPORTANT----IMPORTANT----IMPORTANT----IMPORTANT--
Please do not try to answer these questions by yourself BEFORE
having a clear idea of what's on the test for which you are
studying.

Materials covered in each test DO VARY from semester to semester
because the pace of the course can change, some materials are be
added and other deleted almost every semester.
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