Proses Kerja ATM

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Hello everybody!!!
Gue mau post tugas dari dosen PKTI 1c, cuma sedikit contoh tentang Input-Proses-Output dikehidupan manusia sehari hari. Buat kalian yang mau tau proses kerja mesin ATM baca aja postingan ini ya ^.^



Proses Kerja ATM
Mesin uang yang digunakan untuk membaca kartu dengan plastic magnetic-strips ini kemudian dikenal sebagai ATM ( Automated Telller Machine ). Untuk menggunakannya proses kerja ATM pada umumnya sama dengan komputer melalui proses dan pengolahan data. Adapun proses kerja dari mesin ATM tersebut yaitu:
1. Kartu ATM dimasukan kedalam mesin ATM, maka kartu akan dibaca dengan magnetic card reader yang ada dalam mesin. Fungsi dari magnetic card reader hanya sebagai pembaca dan penerima data.
2. Setelah dibaca, lalu data tersebut dikirim ke sistem komputerisasi bank. Karena fungsinya hanya sebagai penerima data maka magnetic card reader tidak memiliki memory yang bisa menyimpan data nasabah.
3. Saat mesin berhasil membaca data dalam kartu ATM tersebut, maka mesin akan meminta data PIN (Personal Identification Number). PIN ini tidak terdapat di dalam kartu ATM melainkan harus di input oleh nasabah.
4. Kemudian setelah PIN dimasukkan, maka data PIN tersebut akan diacak (diencrypt) dengan rumus tertentu dan dikirim ke sistem komputerasi bank bersangkutan. Pengacakan data PIN ini dimaksudkan agar data yang dikirim tidak bisa terbaca olehpihak lain. PIN yang sudah diacak berikut isi data dari kartu akan dikirim langsung ke sistem computer bank untuk diverifikasikan.
5. Setelah data selesai diproses disistem komputer bank, maka data akan dikirim kembali ke ATM. Nasabah akan dapatkan apa yang dimintanya di ATM.
Jadi dalam pembagian input proses output dalam ATM adalah sebagai berikut:
-          Input = Pada saat ATM dimasukan ke dalam mesin ATM.
-          Proses = Saat mesin berhasil membaca data dalam kartu ATM.
-          Output = Selesai diproses disistem komputer bank, nasabah akan mendapatkan apa yang diminta di ATM.

Sumber: Staffsite.gunadarma.ac.id
Semoga bermanfaat ^_^

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