Cs604 Current Final Term Papers & Past Final Term Papers at One Place from 22 agust TO 2 september2015

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[+ M.Tariq Malik]

Humda  thanks 

[+ M.Tariq Malik]

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[Arz Honey]

Kindly share Moaz mcqs file..

[شیراز]

moaz mcq file

[شیراز]

mcq's from lacture 23 to 40

[شیراز]

 my today paper at 11am

30 mcqs from moaaz file,

and 10 subjective questions from this file:

[Kamalpk]

Shukriya Bro for such a nice sharing

[sameena]

20 mcqs from moaz file

subjectives

What are the 4 condition that must hold simultaneously for deadlock to occur?name

 

List scenarios in which existence of entire program in memory is not necessary?

 

Type of bits associate with each entry of system table for protection?

 

Functionality of mmap()In a UNIX system call?

 

 

Consider a process A with segment size is 14, having 5098 bytes. The process generates a logical

address (14, 3922). How many pages does the segment have? Mention all steps related to calculation.

 

Consider a process B generates a logical address (15, 3922) whose page size is of 1KB. What will be the value of segment offset d and the physical address if page number 2 is in frame 10? Mention all necessary steps related to calculation.

 

In Linux OS describe working of copy on write in virtual memory?

Vfork() works same  as fork() withcopy-on-write?

 

The maximum number of pages In process address space  is one million and the total address size (p+d)of process address space is 32  bit with page size Is 4096 bytes. Calculate the number of bits required for  page number (p) and the number of bits required for offset (d)?

 

[+ M.Tariq Malik]

sameena thanks for sharing

[fivestar1122]

Assalam-o-alaikum
Held on 27-08-2015 (CS604 Operating System)
Final Term Paper Semester Spring 2015)
Total Questions: 52, MCQ 40: total time 120 minutes
4 Questions of 2 marks, 3 marks and 5 marks, Total marks: 80

Q41. Describe four conditions for a deadlock that occur simultaneously. Name them? (2 marks)
Q42. Define Lazer swapper with respect to virtual memory? (2 marks)
Q43. Page table can be placed in CPU registers or main memory. What will be the criteria to place the page table in CPU registers? (2 marks)
Q44. Differentiate between local and global replacement with respect to page replacement algorithm? (2 marks)

Q45. If a process is starved then it is in deadlock? Agree or not justify (3 marks)
Q46. Ali is system programmer who wrote a page replacement algorithm. Which algorithm Ali use as a benchmark against his page algorithm? (3 marks)
Q47. Find effective access time? (3marks)
Answer: (Page 168 example01)

Q48. Number of frames are 64 and number of process are 04, sizes for processes are p1=10, p2=40,p3=100,p4=23. How many free frames are allocated per process using fixed allocation? (3 marks)
Q49. Given page size 16 bytes and process address space 32 pages and physical address space 64 frames. Calculate, p, f and d. (5 marks)
Q50. Example of Banker’s algorithm was given. Calculate matrix need value (Table was given)? (5 marks)
Answer: (Page 138)
Q51. Consider a virtual memory system in which a process does not have enough pages therefore the page-fault rate is high. This lead to low CPU utilization, high disk utilization, low utilization of I/O devices. Name the activity by which these problem occur. (5 marks)
Answer: (Page 205 Thrashing)
Q52. MULTICS example given. (5 marks)
Answer: (Page 180, 181)
About 30 MCQ from past midterm and final term files of moaaz 10 new MCQ, only 1 subjective question of 2 marks and 1 of 3 marks from moaaz subjective final term
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