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paging.cpp
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paging.cpp
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#include<iostream>
#include<string>
const static int Max = 100,framesize = 4;
using namespace std;
struct pageinput{
int pageno;
string pagecontent[4];
};
int main(){
string physicalmemory[Max];
int frameno,pageno,noofpages;
int pagetable[Max][2];
pageinput pi[Max];
cout<<"\nenter no of pages :";
cin>>noofpages;
for(int i =0 ;i< noofpages;i++){
cout<<"\nenter page :"<<i;
pi[i].pageno=i;
pagetable[i][0]= pi[i].pageno;
for(int j =0;j<4;j++){
cout<<"\nenter page content at "<<j<<":";
cin>>pi[i].pagecontent[j];
}
}
for(int i =0 ;i < noofpages;i++){
pagetable[i][1] = i % noofpages;
}
cout<<"\n";
for(int i = 0 ; i< noofpages ; i++){
int f = pagetable[i][1];
for(int j =0;j<4;j++){
physicalmemory[ (f * framesize) + j ] = pi[i].pagecontent[j];
cout<<"\n pagecontent is stored at address : "<<(f * framesize) + j<<"\n";
}
}
cout<<"\nphysical memory is :\n";
for(int i =0 ;i < (noofpages * 4);i++){
cout<<i<<" : "<<physicalmemory[i]<<"\n";
}
return 0;
}