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#OS Memory management User Mod Gate 2006 IT Doubt
original question https://gateoverflow.in/3600/gate2006-it-56 Please see the best answer of Arjun Sir. My doubt is for paging method - Given is 2 level paging. For P1 we need 195 pages and which can be accommodated in one PT and same for P2 and ... 2 PT. But in question every process needs one more PT, why? as P1,P2,P3 needs - 2 PT and P4 needs 3PT
iarnav
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Operating System
Oct 23, 2018
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iarnav
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2
#OS Process Synchronisation GATE2015 Self User Doubt
Original Question - https://gateoverflow.in/8405/gate2015-3-10 Answer is A) Yes, there's no ME (That's fine) Also there's no Deadlock, but for no deadlock, can we give reason as - There's no deadlock, because ... and Y on VarQ. So, there's no dependency there. And hence No deadlock? Is this reasoning for deadlock valid?
iarnav
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Aug 7, 2018
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iarnav
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#OS Process Synchronisation User Gate 2006 Doubt
Original Question - https://gateoverflow.in/1839/gate2006-61 The atomic fetch-and-set x,y instruction unconditionally sets the memory location x to 1 and fetches the old value of x in y without allowing any intervening access to the memory location x. ... only one process can enter? But I guess, it's only when S==1, but what about when S==0
iarnav
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Operating System
Aug 3, 2018
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iarnav
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