tugas 1 sistem berkas

TUGAS 1

SISTEM BERKAS

ORGANISASI BERKAS PADA MAGNETIC TAPE

DISUSUN OLEH :

Nama        :Dista Putra Wijayanto

NIM           :131051067

JURUSAN TEKNIK INFORMATIKA

FAKULTAS TEKNOLOGI INDUSTRI

INSTITUT SAINS & TEKNOLOGI AKPRIND

YOGYAKARTA

2016

Tanpa Blocking

n  Panjang pita:

S record * ( panjang 1 record + IRG)

2000 * (100 byte / 2000 bpi + 0,5 inch)

2000 * (0,05 inchi+ 0,5 inchi)

1.100 inch

n  Lama akses:

panjang pita / laju pita

1100 inchi / 100 inchi / detik

11 detik

n  Transfer rate

S byte / lama access

(2000 * 100 byte) / 11 detik

18.181,9 byte/detik

Blocking

n  Panjang pita:

S block * panjang stp block

(S record / factor blocking) * (panjang 1 block + IBG)

(2000 / 50) * ((50 * 100 byte / 2000 bpi) + 0,5 inch)

40 * (2,5 inchi+ 0,5)

120 inch

n  Lama akses:

panjang pita / laju pita

120 inchi / 100 inchi / detik

1,2 detik

n  Transfer rate:

S byte / lama access

(2000 * 100 byte) / 1,2 detik

166.666,7 byte/detik

Record

package menghitung;

import javax.swing.JOptionPane;

import java.math.*;

class noblock{

    void hitung(){

     String x = JOptionPane.showInputDialog("Jumlah Record: ");

      double jum_rec = Double.parseDouble(x);

     String y = JOptionPane.showInputDialog("IRG: ");

      double irg = Double.parseDouble(y);

     String z = JOptionPane.showInputDialog("Data dencity");

      double data = Double.parseDouble(z);

     String a = JOptionPane.showInputDialog("Laju Pita: ");

     double lp = Double.parseDouble(a);

    

     Double pita = jum_rec*(100/jum_rec+irg);

     Double akses = pita/lp;

     Double tr = (jum_rec*100)/akses;

     int decimalPlace = 2; 

        BigDecimal bd = new BigDecimal(tr); 

        bd = bd.setScale(decimalPlace,BigDecimal.ROUND_UP); 

        tr = bd.doubleValue(); 

     System.out.println("Nama: Dista Putra Wijayanto");

     System.out.println("NIM : 131051067");

     System.out.println("");

      System.out.println("|========================================================================================|");

System.out.println("|"+"    jum_rec  "+"|"+"   IRG   "+"|"+" data_den "+"|"+"   Laju_pita  "+"|"+

             "  pan_pita "+"|"+"lama_ak "+"|"+"   lama trans    "+"|");

      System.out.println("|========================================================================================|");

      System.out.println("|"+jum_rec+" record|"+irg+" inchi|"+data+" BPI|"+lp+" inch/sec|"+pita+" inch|"+akses+" sec|"+tr+" byte/sec|");

      System.out.println("|========================================================================================|");

     

}

}

class block{

     void hitung1(){

     String x = JOptionPane.showInputDialog("Jumlah Record: ");

     double jum_rec = Double.parseDouble(x);

     String c = JOptionPane.showInputDialog("Panjang setiap record ");

     double psr = Double.parseDouble(c);

     String y = JOptionPane.showInputDialog("IBG: ");

     double ibg = Double.parseDouble(y);

     String z = JOptionPane.showInputDialog("Data dencity");

     double data = Double.parseDouble(z);

     String a = JOptionPane.showInputDialog("Laju Pita: ");

     double lp = Double.parseDouble(a);

     String b = JOptionPane.showInputDialog("Blocking factory");

     Double fac = Double.parseDouble(b);

    

     Double pp = (jum_rec/fac)*((fac*psr/jum_rec)+ibg);

     Double ak = pp/lp;

     Double tr = (jum_rec*psr)/ak;

      int decimalPlace = 2; 

        BigDecimal bd = new BigDecimal(tr); 

        bd = bd.setScale(decimalPlace,BigDecimal.ROUND_UP); 

        tr = bd.doubleValue();

     System.out.println("Nama: Dista Putra Wijayanto");

     System.out.println("NIM : 131051067");

     System.out.println("");

     System.out.println("|================================================================================================================|");

      System.out.println("|"+"  jum_rec  "+"|"+" P_stiap_r "+"|"+"   IBG   "+"|"+" data_den  "+"|"+"   Laju_pita   "+"|"+" blck_f"+

             " | "+" pan_pita "+"|"+" lama_ak "+"|"+"    lama trans     "+"|");

      System.out.println("|================================================================================================================|");

      System.out.println("| "+jum_rec+" rec| "+psr+" byte| "+ibg+" inch| "+data+" BPI| "+lp+" inch/sec| "+fac+"   | "+pp+" inch| "

      +ak+"  sec| "+tr+" byte/sec|");

      System.out.println("|================================================================================================================|");

     

}

}

public class Menghitung {

    public static void main(String[] args) {

        noblock b1 = new noblock();

        block b2 = new block();

      String x = JOptionPane.showInputDialog("1.Tanpa blocking/2.Blocking");

      int pil = Integer.parseInt(x);

      if(pil==1){

         b1.hitung();

      }

      else{

        b2.hitung1();

    }

    }

}

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