MFT and MVT

MFT Multiprogramming with finite no of tasks

#include<stdio.h>
#include<conio.h>
main()
{
 int ms, bs, nob, ef,n, mp[10],tif=0;
 int i,p=0;
 clrscr();
 printf("Enter the total memory available (in Bytes) -- ");
 scanf("%d",&ms);
 printf("Enter the block size (in Bytes) -- ");
 scanf("%d", &bs);
 nob=ms/bs;
 ef=ms - nob*bs;
 printf("\nEnter the number of processes -- ");
 scanf("%d",&n);
 for(i=0;i<n;i++)
 {
printf("Enter memory required for process %d (in Bytes)-- ",i+1);
scanf("%d",&mp[i]);
 }
 printf("\nNo. of Blocks available in memory -- %d",nob);
 printf("\n\nPROCESS\tMEMORY REQUIRED\t ALLOCATED\tINTERNAL FRAGMENTATION");
 for(i=0;i<n && p<nob;i++)
 {
printf("\n %d\t\t%d",i+1,mp[i]);
if(mp[i] > bs)
printf("\t\tNO\t\t---");
else
{
printf("\t\tYES\t%d",bs-mp[i]);
tif = tif + bs-mp[i];
p++;
}
 }
 if(i<n)
printf("\nMemory is Full, Remaining Processes cannot be accomodated");
 printf("\n\nTotal Internal Fragmentation is %d",tif);
 printf("\nTotal External Fragmentation is %d",ef);
}

MVT  multiprogramming with variable no of tasks

#include<stdio.h>
#include<conio.h>
int main()
{
int m,p,s,p1;
int m1[4],i,f,f1=0,f2=0,fra1,fra2,s1,pos;
clrscr();
printf("Enter the memory size:");
scanf("%d",&m);
printf("Enter the no of partitions:");
scanf("%d",&p);
s=m/p;
printf("Each partn size is:%d",s);
printf("\nEnter the no of processes:");
scanf("%d",&p1);
pos=m;
for(i=0;i<p1;i++)
{
if(pos<s)
{
printf("\nThere is no further memory for process%d",i+1);
m1[i]=0;
break;
}
else
{
printf("\nEnter the memory req for process%d:",i+1);
scanf("%d",&m1[i]);
if(m1[i]<=s)
{
printf("\nProcess is allocated in partition%d",i+1);
fra1=s-m1[i];
printf("\nInternal fragmentation for process is:%d",fra1);
f1=f1+fra1;
pos=pos-s;
}
else
{
printf("\nProcess not allocated in partition%d",i+1);
s1=m1[i];
while(s1>s)
{
s1=s1-s;
pos=pos-s;
}
pos=pos-s;
fra2=s-s1;
f2=f2+fra2;
printf("\nExternal Fragmentation for this process is:%d",fra2);
}
}
}
printf("\nProcess\tallocatedmemory");
for(i=0;i<p1;i++)
printf("\n%5d\t%5d",i+1,m1[i]);
f=f1+f2;
printf("\nThe tot no of fragmentation is:%d",f);
}