COSC 4330                   QUIZ #1                 September 15, 1998

Closed Book.   You can have one sheet of notes.

1.   Complete the following sentences: (5×10 points)

     Graphical user interfaces were pioneered at

     _________________________________________________________________.

     The major disadvantage of the master-slave organization for
      multiprocessor operating systems is the possibility of

      ________________________________________________________________.

     UNIX is said to be a portable operating system because

     _________________________________________________________________.

     When a process is interrupted by a timer interrupt, it is

     immediately moved to the _____________________________________

     state.

    It is often a good idea to swap out processes that have been

     in the _________________________________ state for a long

     period of time.


2.   True or False  (5×10 points)

  T __     F __    Disk access times are likely to decrease by a
                   factor of ten in the next five years.

  T __     F __    The main purpose of privileged instructions
                   is to prevent unauthorized accesses to the main
                   memory.

  T __     F __    Being smaller, microkernels are faster than
                   monolithic kernels.

  T __     F __    After a fork() system call, the child process
                   does not know the process ID of its parent
                   process.

  T __     F __    One program can fork several processes but
                   one process cannot execute code from two different
                   programs.


--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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