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REFERENSI Management Information System : Raymod McLeod
System Analysis and Design Methods : Jeffery L.Whitten Lonnie D. Bentley Kevin C.Dittman System Analysis and Design : Kendall & Kendall Information System : Theory and Practices : Starter & Burch
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Bab 1 Pengantar Sistem Informasi Berbasis Komputer
MANAGEMENT INFORMATION SYSTEMS 8/E Raymond McLeod, Jr. and George Schell Bab 1 Pengantar Sistem Informasi Berbasis Komputer 1-2 Copyright 2001 Prentice-Hall, Inc. 1
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Sumber Daya Yang Berharga
Manajemen Informasi Informasi: Sumber Daya Yang Berharga 1-3 2
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} Lima Sumber daya Utama Manusia Material Mesin Uang
(termasuk fasilitas and energi) Uang Informasi (dan data) Phisik } Konsep 1-4 3
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Bagaimana Mengelola Sumber Daya?
Memperoleh informasi yang tepat Menyusun sesuai kebutuhan Memaksimalkan penggunaan Mengganti sumber daya pada saat kritis 1-5 4
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Perhatian pada Manajemen Informasi
Bisnis menjadi lebih kompleks, karena: Pengaruh Ekonomi Internasional Persaingan dunia Komleksitas Teknologi Yang Meningkat Batas Waktu yang Singkat Kendala-kendala Sosial Kemampuan komputer Yang Meningkat Ukuran Kecepatan 1-6 4
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Siapakah Users/Para Pemakai?
Manajer Nonmanajer Person & organisasi dalama lingkungan perusahaan 1-7 6
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Tingkat Manajemen Dan Sumber Informasi
Lingkungan Tingkat Perencanaan strategis Tingkat Pengendalian Manajemen Tingkat Pengendalian Operasional Internal 1-8 9
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Tingkat Manajemen dan Bentuk Informasi
Summary Strategic planning level Management control level Operational control level Detail 1-9 9
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Manajer Di semua Level dan Fungsi-fungsi
Strategic planning level Management Control Level Operational Control Level Finance Function Human Resources Function Information Services Function Manufacturing Function Marketing Function 1-10 11
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What Managers do -- Fayol’s Functions
Strategic Planning Level Management Control Level Operational Control Level 1-11 12
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What Managers do -- Mintzberg’s Roles
Interpersonal roles Figurehead Leader Liaison Informational roles Monitor Disseminator Spokesperson Decisional roles Entrepreneur Disturbance handler Resource allocator Negotiator 1-12 13
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Management Skills Communications Problem solving
How can an information specialist help? 1-13 14
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Problem Solving Information Comes in Many Forms
Internal Sources External Sources Written Media Oral Media Tours Voice Mail Periodicals Business Meals Scheduled Meetings Telephone Computer Reports Noncomputer reports Letters & Memos Electronic mail Unscheduled Meetings Problem Solving 1-14
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Management Knowledge Computer literacy Information literacy
What’s the difference? 1-15 16
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System Components Component parts of a system that can control its own operations
Objectives Control mechanism Input Transformation Output 1-16 17
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Open-Loop System Input Transformation Output 1-17 18
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Open versus Closed Systems
Open system Connected to its environment by means of resource flows Closed system Not connected to its environment 1-18 19
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Systems Can Be Composed of Subsystems or Elemental Parts
Part C Subsystem A Subsystem B Subsystem B-1 Subsystem A-1 Subsystem A-2 Subsystem B-2 Subsystem A-3 Elemental part B1 1-19
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Physical and Conceptual Systems
Physical system The business firm Composed of physical resources Conceptual system Represents a physical system Uses conceptual resources Information Data 1-20 21
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A Systems View Business operations are embedded within a larger environmental setting Reduces complexity Requires good objectives Emphasizes working together Acknowledges interconnections Values feedback 1-21 22
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Data and Information Information processor
Key element in the conceptual system Computer Noncomputer Combination Data is the raw material transformed into information 1-22
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Evolution of the CBIS Data Processing (DP)
Management Information Systems (MIS) 1964 IBM promoted the concept as a means of selling disk files and terminals Decision Support Systems (DSS) 1971 Text book’s distinction: MIS: Organizational/group - general DSS: Individual - specific Office Automation (OA) 1964 Artificial Intelligence (AI)/ Expert Systems (ES) s Heavy investment by businesses 1-23 24
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The CBIS Model Decisions (CBIS) Problem Information Problem Solution
Computer-based Information System (CBIS) Accounting Information System Problem Information Management Information System Decisions Decision Support Systems Problem Solution The Virtual Office Knowledge-based Systems 1-24 25
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Information Services Information specialists have
full-time responsibility for developing and maintaining computer-based systems 1-25 26
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Traditional Communication Chain
Database Administrator Systems Analyst User Operator Programmer Computer Network Specialist 1-26 27
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End-User Computing (EUC)
Development of all or part of applications Information specialists act as consultants Stimulants to EUC Increased computer literacy IS backlog Low-cost hardware (the PC) Prewritten software (electronic spreadsheets) 1-27 28
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IS and EUC The End-User Computing Communication Chain
Information Specialists Support User Communication Computer 1-28 29
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Justifying the CBIS Justify in the same manner as any other large investment Economic Cost reduction Reduced inventory investment Increased productivity (CAD/CAM) Noneconomic Perceived value 1-29 30
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Achieving the CBIS 1-30 31
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Reengineering the CBIS
Business Process Reengineering (BPR) Reworking systems Good system features retained Becoming development methodology of choice 1-31
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Roles Played by the Manager and by the Information Specialist
Phase Manager Information Specialist Planning Define problem Support Analysis Control System Study Design Control Design system Implementation Control Implement system Use Control Make available 1-32
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Summary Information is one of five main resources
Computer output used by managers and nonmanagers A system is an integration of elements working toward an objective Physical Conceptual Data vs. Information 1-33
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Summary [cont.] CBIS composed of various components
AIS MIS DSS Virtual office Knowledge-based systems End-user computing trends CBIS development 1-34
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