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Fundamentals of Information Systems, Second Edition 1 Hardware and Software Chapter 3 Heru Lestiawan, M.Kom
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Hardware and Software - Universitas Dian Nuswantoro ...dinus.ac.id/repository/docs/ajar/HARDWARE_DAN_SOFTWARE.pdfFundamentals of Information Systems, Second Edition 5 Principles and

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Page 1: Hardware and Software - Universitas Dian Nuswantoro ...dinus.ac.id/repository/docs/ajar/HARDWARE_DAN_SOFTWARE.pdfFundamentals of Information Systems, Second Edition 5 Principles and

Fundamentals of Information

Systems, Second Edition

1

Hardware and Software

Chapter 3

Heru Lestiawan, M.Kom

Page 2: Hardware and Software - Universitas Dian Nuswantoro ...dinus.ac.id/repository/docs/ajar/HARDWARE_DAN_SOFTWARE.pdfFundamentals of Information Systems, Second Edition 5 Principles and

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Systems, Second Edition

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Principles and Learning Objectives

• Pengguna sistem informasi harus bekerja sama dengan sistem informasi profesional untuk mendefinisikan kebutuhan bisnis, mengevaluasi pilihan-pilihan, dan pilih hardware dan software yang menyediakan solusi biaya-efektif untuk kebutuhan tersebut.

– Mengidentifikasi dan mendiskusikan peran komponen perangkat keras penting dari sebuah sistem komputer.

– Daftar dan menggambarkan kelas populer sistem komputer dan mendiskusikan peran masing-masing.

– Menguraikan peran sistem operasi dan mendiskusikan bagaimana sistem operasi telah berevolusi dari waktu ke waktu.

– Mengidentifikasi dan jelaskan secara singkat fungsi dari dua jenis dasar perangkat lunak.

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Principles and Learning Objectives

• Organisasi tidak mengembangkan perangkat lunak aplikasi

proprietary kecuali hal tersebut akan memenuhi kebutuhan bisnis

yang menarik yang dapat memberikan keunggulan kompetitif.

– Membahas bagaimana perangkat lunak aplikasi dapat

mendukung tujuan pribadi, workgroup, dan bisnis perusahaan.

– Mengidentifikasi tiga pendekatan dasar untuk mengembangkan

perangkat lunak aplikasi.

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Principles and Learning Objectives

• Pengguna akhir dan IS profesional menggunakan bahasa

pemrograman yang karakteristik fungsional sesuai untuk tugas yang

dihadapi.

– Garis besar evolusi keseluruhan bahasa pemrograman dan

menyoroti perbedaan antara bahasa pemrograman yang

digunakan oleh pengguna akhir dan IS profesional.

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Principles and Learning Objectives

• Industri sistem informasi terus mengalami perubahan konstan;

pengguna harus menyadari tren terbaru dan isu-isu dalam lisensi

perangkat lunak untuk menjadi efektif dalam bisnis mereka dan

kehidupan pribadi.

– Mengidentifikasi beberapa isu kunci dan tren dalam perizinan

yang berdampak pada organisasi dan individu.

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Computer System Components

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Hardware Components in Action

• Tahapan Instruksi

– Langkah 1: Mengambil sebuah instruksi

– Langkah 2: Menerjemahkan instruksi

• Tahapan Esekusi

– Langkah 3: Mengeksekusi instruksi

– Langkah 4: Menyimpan hasil.

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Pelaksanaan Instruksi

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Processing and Memory

Devices

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Processing Characteristics and

Functions

• Machine cycle time Cycle time adalah waktu yang digunakan untuk menyelesaikan 1 siklus pekerjaan

dengan sekuens standar kerja yang telah ditentukan.

• Clock speed Clock speed adalah ukuran dari seberapa besar kecepatan komputer menyelesaikan

perhitungan dasar dan operasi. (frekuensi `hertz)

• Word length Word Length adalah jumlah bit dalam setiap lokasi (word). Pada Variabel word –

length computer satu word memiliki panjang satu lokasi atau beberapa lokasi dan di

set (ditetapkan panjangnya) menurut panjang yang diperlukan pada setiap transfer

data.

• Superconductivity Superkonduktivitas adalah suatu fenomena dimana hambatan listrik sama dengan

nol dan terjadinya tolakan medan magnet yang terjadi ketika suatu bahan

didinginkan dibawah temperature tertentu (suhu kritis)

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Moore’s Law Hukum Moore adalah salah

satu hukum yang terkenal

dalam industri mikroprosesor

yang menjelaskan tingkat

pertumbuhan kecepatan

mikroprosesor.

Diperkenalkan oleh Gordon

E. Moore salah satu pendiri

Intel

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Number of Bytes

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Types of Memory

• Random access memory (RAM)

– EDO RAM (Extended Data Out Random Accses Memory)

– SDRAM (Synchronous Dynamic Random Acces Memory)

– DRAM (Dynamic Random Access Memory)

• Read-only memory (ROM)

– PROM (Programmable Read Only Memory)

– EPROM (Erasable Programmable Read Only Memory)

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Basic Types of Memory Chips

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Secondary Storage and Output

Devices

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Perbandingan biaya untuk Berbagai

Bentuk Penyimpanan Data

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Metode Akses Penyimpanan sekunder

• Sequential access Suatu cara pengaksesan record, yang didahului pengaksesan record-

record di depannya.

• Direct access Suatu cara pengaksesan record yang langsung, tanpa mengakses seluruh

record yang ada.

• Sequential access storage devices (SASD) SASD atau penyimpanan berurutan (sequential) adalah media

penyimpanan untuk mengisikan catatan yang diatur dalam susunan

tertentu.

• Direct access storage devices penyimpanan akses langsung adalah suatu cara mengorganisasikan data

yang memungkinkan catatan-catatan ditulis dan dibaca tanpa pencarian

secara berurutan.

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Secondary Storage Devices

• Magnetic tapes

• Magnetic discs

• RAID

• SAN

• Optical discs

• Magneto-optical discs

• Digital versatile discs (DVD)

• Memory cards

• Expandable storage

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Types of Secondary Storage

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Hard Disc

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Storage Area Network

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Digital Versatile Disc Player

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Expandable Storage

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Perbandingan Sekunder Storage Devices

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Input Devices

• Personal computer input devices

• Voice-recognition devices

• Digital computer cameras

• Terminals

• Scanning devices

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A PC Equipped with a Computer Camera

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Output Devices

• Display Monitors

• Liquid Crystal Displays (LCDs)

• Printers and Plotters

• Music Devices

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Laser Printer

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Types of Computer Systems

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Overview of Software

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Overview of Software

• Computer programs

• Documentation

• Systems software

• Computer system platform

• Application software

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Classifying Software by Type and Sphere

of Influence

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Systems Software

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Operating Systems

• Perform common computer hardware functions

• Provide a user interface

• Provide a degree of hardware independence

• Manage system memory

• Manage processing tasks

• Provide networking capability

• Control access to system resources

• Manage files

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Role of the Operating System

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Application Program Interface

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An Example of the Operating System

Controlling Physical Access to Data

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Popular Operating Systems

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Workgroup Operating Systems

• Windows 2000 Server

• Unix

• Netware

• Red Hat Linux

• Mac OS X Server

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Consumer Appliance Operating Systems

• Windows CE .NET

• Windows XP Embedded

• Handheld PC

• Pocket PC

• Palm OS

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Nokia 7650

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Application Software

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Sources of Software

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Proprietary and Off-the-Shelf Software

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Examples of Personal Productivity Software

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TurboTax

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Quicken

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Word Processing Program

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Spreadsheet Program

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Database Program

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Graphics Program

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Software Suites

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Enterprise Application Software

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Use of Integrated Supply Chain

Management Software

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Selected Enterprise Resource Planning

Vendors

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Summary of Programming Languages

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Summary

• Hardware devices bekerja sama untuk melakukan input, pengolahan, penyimpanan data, dan output.

• Ada dua kategori utama dari perangkat lunak: software sistem dan software aplikasi.

• Sebuah sistem operasi (OS) adalah seperangkat program komputer yang mengontrol perangkat keras komputer untuk mendukung kebutuhan komputasi pengguna.

• Software aplikasi mungkin proprietary atau off-the-rak.

• Ada lima generasi bahasa pemrograman, ditambah bahasa pemrograman berorientasi objek.

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Penutup

• Sekian dan Terima Kasih • Ada Pertanyaan,.... ? • Silahkan Ajukan !

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