cse120  Principles of Operating Systems
         
         Final Exam, Tuesday  DEC 14,  WLH 2111, 3pm to 5pm
         
         Chapters 1 to 6 of the text book are included.
         
         Exam is closed book.
         
         There are 18 questions numbered 1 to 18 with marks
         distributed as follows:
         
         Q no.   1  2  3  4  5  6   7  8  9  10  
         
         marks  15  6  4  2  6 20  16  8  3   2   
         ----------------------------------------
         Q no.  11  12  13  14  15  16  17  18  19
         
         marks   2   2   6   2   2   2   2   5   5
         
         total  110 (55x2)
         -----------------
         Questions are of two kinds - problems like in QUIZ I/QUIZ II, and
         questions which require a short/brief answer in few lines 
         (An example of this kind is)

         Question:
         
         Name three conditions that arise in translation of virtual address
         of the form (segment no., line no.) which the memory management has
         to act upon.
         
         Answer:
         
         (i)   line number out of range 
         (ii)  segment not present in memory
         (iii) access not allowed (access violation)   
         
         
         The distribution of Questions (P means problem, S means
         short-answer-question) is roughly as follows:

         chapter 2 (Processes) :     3P    ( marks 25)
         chapter 3 (memory)    :     3P+3S ( marks 34)
         chapter 4 (files, security) 1P+3S ( marks 19)
         chapter 5 (Input/output)    1P+3S ( marks 22)
         chapter 6 (Deadlocks)       2P    ( marks 10)