1 pertemuan 12 understanding enterprise computing matakuliah: j0282 / pengantar teknologi informasi...
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Pertemuan 12
Understanding Enterprise Computing
Matakuliah : J0282 / Pengantar Teknologi Informasi
Tahun : 2005
Versi : 02/02
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Learning Outcomes
Pada akhir pertemuan ini, diharapkan mahasiswa
akan mampu :
• memilih strategi dasar pemanfaatan komputer bagi suatu institusi bisnis
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Outline Materi
• Information Systems in the Enterprise
• Enterprise Wide Technology
• Enterprise Hardware
• Disaster Recovery Plan
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Data and Information
• How are data and information related?
processing
data stored on diskStep 1. The member data, including a photograph, is entered and stored on the hard disk.
Step 2. The computer extracts the member data from disk.
Step 3. The receipt is created and printed.
Data is raw facts Information is data that is organized
and meaningful
receipt
Computers process data into information
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Data and Information
• What is data integrity? Degree to which data is
correct Garbage in, garbage
out (GIGO)—computer phrase that means you cannot create correct information from incorrect data
Garbage out
Garbage in
Data integrity is lost
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UsefulUsefulAccessibleAccessible
OrganizedOrganized
Data and Information
• What are the qualities of valuable information?
TimelyTimely
VerifiableVerifiable
AccurateAccurate
Cost-effectiveCost-effective
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What is Enterprise Computing?
• What is an enterprise?
Large organization such as multinational corporation, university, hospital, research laboratory, or government organization
Large organization such as multinational corporation, university, hospital, research laboratory, or government organization
Requires special computing solutions because of its sizeRequires special computing solutions because of its size
Enterprise computingEnterprise computing—use of computers in networks that
encompass variety of operating systems, protocols, and network architectures
Enterprise computingEnterprise computing—use of computers in networks that
encompass variety of operating systems, protocols, and network architectures
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What is Enterprise Computing?
• How does information flow within an enterprise? Enterprise manages large amounts of information over an
extensive geographical area and disparate groups of people
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What is Enterprise Computing?
• How are enterprises organized? Most are
organized in a hierarchy
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Executive managementExecutive managementstrategic decisions
Middle managementMiddle managementtactical decisions
What is Enterprise Computing?
• What are the four categories of users?
Operational managementOperational managementoperational decisions
Nonmanagement employeesNonmanagement employeeson-the-job decisions
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What is Enterprise Computing?
• What is enterprise information?
Information gathered in ongoing operations of enterprise
Information gathered in ongoing operations of enterprise
Allows managers to make better decisions
Allows managers to make better decisions
Collected, combined, and analyzed over time
Collected, combined, and analyzed over time
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What is Enterprise Computing?
• What are the four management activities?
1. Planningobjectivesstrategiestactics
2. Organizingmoneypeoplemanagement structure
3. Leadingcommunicationsinstructionsmotivation
4. Controllingperformancemeasurementcorrective action
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Information Systems in the Enterprise
•What is an information system?
Set of hardware, software, data, people, and procedures that work together to produce information Procedures are
instructions users follow to accomplish activities
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Information Systems in the Enterprise
• What is a functional unit? Individual operating entity, which can include
departments, centers, and divisions
ManufacturingManufacturingEngineering Engineering or Product or Product
DevelopmentDevelopment
Accounting Accounting andand
FinanceFinance
HumanHumanResources Resources
(HR)(HR)
DistributionDistributionSalesSalesMarketingMarketing
InformationInformationTechnologyTechnology
Customer Customer ServiceService
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Information Systems in the Enterprise
• What is a human resources information system (HRIS)?
Manages human resources function Employee relationship management (ERM) system
facilitates communication with employees
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Information Systems in the Enterprise
• What are the functions of accounting and finance systems?
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Information Systems in the Enterprise
• What is computer-aided design (CAD)? Uses special
software to aid in product design
Computer-aided engineering (CAE) uses computers to test product designs
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Information Systems in the Enterprise
• What is computer-aided manufacturing (CAM)?
Use of computers to control production equipment
Computer-integrated manufacturing (CIM) integrates operations of manufacturing process
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Information Systems in the Enterprise
• What is Material Requirements Planning (MRP)?
Uses software to monitor and control production processes
Focuses on inventory of parts
Manufacturing Resource Manufacturing Resource Planning II (MRP II)Planning II (MRP II)is extension of MRP
Helps in scheduling, tracking production,
and monitoring product quality
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Information Systems in the Enterprise
• What is a marketing information system? Central repository for marketing tasks Market research system analyzes data gathered from
surveys
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Information Systems in the Enterprise
• What is sales force automation (SFA) software?
Tools for traveling salespeople
Runs on PDAs or notebook computers
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Information Systems in the Enterprise
• What are distribution systems?
Provide forecasting Provide forecasting for inventory control for inventory control
track shipping of track shipping of productsproducts
Provide tracking Provide tracking of product of product shipmentsshipments
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Information Systems in the Enterprise
•What is customer interaction management (CIM) software?
Manages interactions with customers Telephone calls E-mail Web interactions Instant Messaging
sessions
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Information Systems in the Enterprise
• What is an office information system (OIS)?
Users create graphics and documents, send messages, schedule appointments, and
browse the Web
Sometimes called office automation
Enables employees to perform tasks using computers and other
electronic devices instead of manually
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Information Systems in the Enterprise
• What is a transaction processing system (TPS)?
Captures and processes data from day-to-day transactions
Transaction—individual business activity
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Information Systems in the Enterprise
• What is a management information system (MIS)?
Generates accurate, timely, and organized information so managers can track progress and make decisions
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Information Systems in the Enterprise
• What is a decision support system (DSS)? Helps users analyze data and make decisions Uses data from internal and external sources, as needed Executive information system (EIS) supports needs of
executive management
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Information Systems in the Enterprise
• What is an expert system?
Captures and stores knowledge of human Captures and stores knowledge of human experts and then imitates human experts and then imitates human reasoning and decision makingreasoning and decision making
Captures and stores knowledge of human Captures and stores knowledge of human experts and then imitates human experts and then imitates human reasoning and decision makingreasoning and decision making
Consists of two componentsConsists of two componentsConsists of two componentsConsists of two components
knowledge base—knowledge base—combined subject combined subject
knowledge and knowledge and experiences of experiences of human expertshuman experts
knowledge base—knowledge base—combined subject combined subject
knowledge and knowledge and experiences of experiences of human expertshuman experts
inference rules—set inference rules—set of logical judgments of logical judgments
applied to the applied to the knowledge baseknowledge base
inference rules—set inference rules—set of logical judgments of logical judgments
applied to the applied to the knowledge baseknowledge base
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Information Systems in the Enterprise
• What is an example of an expert system?
Step 1. Select from a menu or click a picture for a diet program.
Step 2. Select the type of fat-loss diet based on the initial selection.
Step 3. Specify the caloric goals and current calorie intake.
Step 4. Review the diet summary.
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Information Systems in the Enterprise
• What are some common types of expert systems?
Knowledge Knowledge management management
software (KMS)software (KMS) captures expertise of captures expertise of
workersworkers
Artificial Artificial intelligenceintelligence
is application of is application of human human
intelligence intelligence to computersto computers
Knowledge Knowledge managementmanagement
is process by which is process by which enterprise collects, enterprise collects,
archives, indexes, and archives, indexes, and retrieves knowledgeretrieves knowledge
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Information Systems in the Enterprise
• What is enterprise resource planning (ERP)? Provides
software applications to coordinate activities of functional units
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Information Systems in the Enterprise
•What is a customer relationship management (CRM) system?
Manages information about customers, interactions with customers, past purchases, and interests
Mainly used in three departments
Sales—tracks sales Sales—tracks sales process from initial process from initial
contact through contact through final purchasefinal purchase
Customer service Customer service department—department—tracks ongoing tracks ongoing correspondence correspondence with customerwith customer
Marketing—learns Marketing—learns about customers about customers and then designs and then designs
new productsnew products
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Information Systems in the Enterprise
• What is a content management system (CMS)?
Combination of databases, software, and procedures Organizes and allows access to documents and other files
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Enterprise-Wide Technologies
• What is a portal? Collection of links, content,
and services presented on Web page
Designed to guide users to information they are likely to find interesting for a particular job function
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Enterprise-Wide Technologies
• What is a data warehouse? Huge database that
stores data required to analyze historical and current transactions
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Enterprise-Wide Technologies
• What are Web services? Technologies that
allow businesses to create products and B2B (business-to-business) interactions on Internet
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Enterprise-Wide Technologies
• What is a workflow? Steps involved in
completing project or business process
Workflow application is a program that tracks process from start to finish
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Enterprise-Wide Technologies
• What is a virtual private network (VPN)? Provides secure connection for user connecting to
company network server using Internet
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Enterprise Hardware
• What is enterprise hardware?
Allows large Allows large organizations organizations
to manage to manage and store dataand store data
Often Often includes includes levels of levels of
redundancyredundancy
One goal is One goal is to maintain to maintain high level of high level of availabilityavailability
Redundancyif one piece
breaks, another part can assume
tasks
Availabilityhow often
hardware is online
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Enterprise Hardware
• What are high-availability systems?
Availability (uptime) of at least 99 percent
Availability (uptime) of at least 99 percent
Often includes hot-swapping
Often includes hot-swapping
Hot-swappingallows components to be replaced while
rest of system continues
to perform tasks
Hot-swappingallows components to be replaced while
rest of system continues
to perform tasks
May include redundant
components
May include redundant
components
Redundant componenttakes over task of
similar component that fails
Redundant componenttakes over task of
similar component that fails
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Enterprise Hardware
• What are scalability and interoperability?
ScalabilityScalabilityis measure of how well is measure of how well
computer hardware system, computer hardware system, software application, or software application, or
information system can grow information system can grow to meet increasing needsto meet increasing needs
InteroperabilityInteroperabilityis ability to share information is ability to share information
with other information with other information systems within enterprisesystems within enterprise
Adding hardware Adding hardware is often easiest is often easiest method to growmethod to grow
System that shares System that shares information easily information easily is said to be is said to be openopen
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Disaster Recovery Plan
• What is a disaster recovery plan? Written plan for restoring computer operations in event of
disaster
Recovery planactions to be taken
to restore full information processing operations
Test plansimulates various levels of disasters
and records ability to recover
Emergency plansteps to be taken
immediately after disaster
Backup planhow backup files and equipment
would be used to resume information
processing
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• Source : Shelly, Gary B. Discovering Computers (2004/2005/2006). Thomson Course Technology. PPT for Chapter 14.