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Gate 95 Questions

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Printed Date: 06Feb2025 at 9:48pm


Topic: Gate 95 Questions
Posted By: Adhiti
Subject: Gate 95 Questions
Date Posted: 02Feb2007 at 11:42am
1.23)The value of k for which 4x^2 - 8xy + ky^2 = 0 does not represent a pair of straight

lines(both passing through the origin) is :

a) 0 b) 2 c) 9 d) 3


2.7) the address generated by tracing a particular program executing a pure demand paging system

with 100 recoeds per page with 1 free main memory frame is recorded as follows. what is the

number of page faults ?

0100,0200,0430,0499,0510,0530,0560,0120,0220,0240,0260,0320,0370

a) 13 b) 8 c) 7 d) 10

Pls try to solve this questions, These are from GATE 95


Replies:
Posted By: Alok
Date Posted: 02Feb2007 at 4:02pm
Since pure demang paging system with Page size 100 records and one3 main mem frame. Lec See

0100 - Page Fault ( Load 100-199)
0200- Page Fault ( Load 200-299)
0430- Page Fault ( Load 400-499)
0499 - No Page Fault(NPF)
0510 - Page Fault ( Load 500-599)
0530 - NPF
0560 - NPF
0120- Page Fault ( Load 100-199)
0220- Page Fault ( Load 200-299)
0240 - NPF
0260- NPF
0320 - Page Fault ( Load 300-399)
0370 - NPF

So total PF = 7


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