Deadlocks Prevention 

Share Informartion with segment strategy  

Deadlock cycle no permission  

Long 2 aye taye 

ak daigram thi jis ki cordination btani thi or 

dosra Linux ka copy or write btana tha

0% Mcqs was from Moazz File 

File and File protection concept

Dead lock Avoiding

LRU 

Paging 

MMU 

Critical Region and monitor three similarities

past paper sy thy mcqs

Qno 1 ta k how does a process share data at sharing segment

2 unix recognize access

 2 scenarios thy

 Ek tha k 4 data sharing k ways likhen

70% mcqs from past 

questions:

issue due to incorrect use of semaphore 

prepaging to control thrashing

how page fault occur and how to reduce

operation of file owner

two problems of overlays

calculate need matrix. table was given

Mostly Mcqs from past waqar ki file 

short mein dining philosopher mein deadlock ko remove kasa krskta Hain 3 ways

Free farm Kitna ki need hai 64 Fram given tha

Share memory with segmentation,best fix or worst fix Ka tha .long deadlock Ko remove krna Ka  method Unix/Linux ki kuch statement Di Hoi thin btana tha Ka knsi command use Hoi hai just name right krna tha

Deadlock handling tha points likhny thy 

Preemptive resources?

 Kuch code waly thy wait (s)

While(s<=)

S-- 

Is code ko define krna tha

Why 

Low CPU utilisation decrease in high page fault rate

Ur Kuch conceptual thy

mcqs from past moaaz and waqar files and handouts  

Short questions of 3 marks

Dining philosopher 3 marks

Page replacement related scenerio was given not any numerical 3 marks

Need of page replacement 5 marks

Safe and unsafe state 3 marks

Semaphore types and code was given correction of code 5