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Optimal Page replacement algorithm in C Programming

#include #include int fsize; int frm[15]; void display(); void main() { int pg[100],change[15],nPage,i,j,k,l,index,pf=0,temp,flag=0,flag1=0,found,max; clrscr(); printf("\n Enter frame size:"); scanf("%d",&fsize); printf("\n Enter number of pages:"); scanf("%d",&nPage); for(i=0;i OUTPUT Enter frame size:3 Enter number of pages:12 Enter page[1]:1 Enter page[2]:2 Enter page[3]:3 Enter page[4]:4 Enter page[5]:1 Enter page[6]:2 Enter page[7]:5 Enter page[8]:1 Enter page[9]:2 Enter page[10]:3 Enter page[11]:4 Enter page[12]:5 page | Frame content -------------------------------------- 1 | 1 -1 -1 2 | 1 2 -1 3 | 1 2 3 4 | 1 2 4 1 | 1 2 4 2 | 1 2 4 5 | 1 2 5 1 | 1 2 5 2 | 1 2 5 3 | 3 2 5 4 | 4 2 5 5 | 4 2 ...

Least Recently Used (LRU) Page replacement algorithm in C Programming

#include #include int fsize; int frm[15]; void display(); void main() { int pg[100],valid[15],nPage,i,j,k,l,index,pf=0,temp,flag=0,flag1=0; clrscr(); printf("\n Enter frame size:"); scanf("%d",&fsize); printf("\n Enter number of pages:"); scanf("%d",&nPage); for(i=0;i OUTPUT Enter frame size:3 Enter number of pages:12 Enter page[1]:1 Enter page[2]:2 Enter page[3]:3 Enter page[4]:4 Enter page[5]:1 Enter page[6]:2 Enter page[7]:5 Enter page[8]:1 Enter page[9]:2 Enter page[10]:3 Enter page[11]:4 Enter page[12]:5 page | Frame content -------------------------------------- 1 | 1 -1 -1 2 | 1 2 -1 3 | 1 2 3 4 | 4 2 3 1 | 4 1 3 2 | 4 1 2 5 | 5 1 2 1 | 5 1 2 2 | 5 1 2 3 | 3 1 2 4 | 3 4 2 5 | 3 4 5 ---...

First Come First Serve (FCFS) Page replacement algorithm in C Programming

#include #include int fsize; int frm[15]; void display(); void main() { int pg[100],nPage,i,j,pf=0,top=-1,temp,flag=0; clrscr(); printf("\n Enter frame size:"); scanf("%d",&fsize); printf("\n Enter number of pages:"); scanf("%d",&nPage); for(i=0;i OUTPUT Enter frame size:3 Enter number of pages:12 Enter page[1]:1 Enter page[2]:2 Enter page[3]:3 Enter page[4]:4 Enter page[5]:1 Enter page[6]:2 Enter page[7]:5 Enter page[8]:1 Enter page[9]:2 Enter page[10]:3 Enter page[11]:4 Enter page[12]:5 page | Frame content -------------------------------------- 1 | 1 -1 -1 2 | 1 2 -1 3 | 1 2 3 4 | 4 2 3 1 | 4 1 3 2 | 4 1 2 5 | 5 1 2 1 | 5 1 2 2 | 5 1 2 3 | 5 3 2 4 | 5 3 4 5 | 5 3 4 ---------------------------...