Jawaharlal Nehru Technological University Hyderabad 2008-2nd Year B.Tech Computer Science and Engineering .(CCC) Supplementary s,20108SYSTEMS PROGRAMMING AND OPERATING SYSTEMS - Question Pape

Code No: E326

II B.Tech.(CCC) Supplimentary Examinations, December 2008
SYSTEMS PROGRAMMING AND OPERATING SYSTEMS
(Computer Science & Engineering)
Time: three hours Max Marks: 100
ans any 5 ques.
All ques. carry equal marks

1. (a) Draw and discuss about the "Kernel data structure for a semaphore set".[10]
(b) What is the importance of "semctl" system call? discuss in detail. [4+6]

2. (a) elaborate the various kinds of shells available in Unix?
(b) elaborate the various debugging techniques for a shell procedure? [10+10]
3. (a) elaborate the translated, linked, and local time addresses?
(b) discuss in detail about overlays. [10+10]

4. (a) Distinguish ranging from indexed file and indexed sequential file.
(b) discuss in detail about file protection.
(c) With an example discuss relative and absolute access path. [8+6+6]

5. (a) provide the formula to compute the following:
i. Job completion time
ii. Deedline over run for the job
iii. Weighted turn around time.
(b) What do you mean by starvation? provide examples of scheduling policies that
have the issue of starvation.
(c) elaborate the objectives of scheduling? [7+7+6]

6. Write short notes on the following:
(a) Pae Table structure
(b) Translation look-aside buffer
(c) Segmentation
(d) Paging. [20]
7. What is deadlock avoidance? discuss process initiation denial and resource allocation
denial in detail with example. [5+5+5+5]
8. discuss the state of the process Queue for the learners / authors issue and get
the solution to the identical by using message -passing [10+10]

Earning:   Approval pending.