fundamentals of information systems, sixth edition
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Fundamentals of Information Systems, Sixth Edition. Chapter 5 Electronic and Mobile Commerce and Enterprise Systems. Why Learn About Electronic and Mobile Commerce and Enterprise Systems?. Electronic and mobile commerce and enterprise systems: - PowerPoint PPT PresentationTRANSCRIPT
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Chapter 5 Electronic and Mobile Commerce
and Enterprise Systems
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Electronic and mobile commerce and enterprise systems:◦ Have transformed many areas of our lives and
careers One fundamental change has been:
◦ The manner in which companies interact with their suppliers, customers, government agencies, and other business partners
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Electronic commerce:◦ Conducting business activities electronically over
computer networks
Business activities that are strong candidates for conversion to e-commerce:◦ Paper-based◦ Time-consuming◦ Inconvenient for customers
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Subset of e-commerce
All the participants are organizations
Useful tool for connecting business partners in a virtual supply chain to cut resupply times and reduce costs
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Form of e-commerce in which customers deal directly with an organization and avoid intermediaries
Disintermediation:◦ The elimination of intermediate organizations
between the producer and the consumer
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Subset of e-commerce that involves consumers selling directly to other consumers
Popular sites: Bidzcom, Craigslist, eBid, KijijiePier, Ibidfree, Ubid, and Tradus
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Use of information and communications technology to:◦ Simplify the sharing of information◦ Speed formerly paper-based processes◦ Improve the relationship between citizen and
government
Forms of e-Government◦ Government-to-consumer (G2C)◦ Government-to-business (G2B)◦ Government-to-government (G2G)
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Mobile commerce (m-commerce) relies on the use of wireless devices
The Internet Corporation for Assigned Names and Numbers (ICANN):◦ Created a .mobi domain to help attract mobile
users to the Web
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Key e-commerce infrastructure ingredient:◦ Web server hardware platform complete with the
appropriate software
Key decision facing new e-commerce companies:◦ Whether to host their own Web site or to let
someone else do it
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Each e-commerce Web site must have Web server software to perform fundamental services:◦ Security and identification◦ Retrieval and sending of Web pages◦ Web site tracking◦ Web site development◦ Web page development
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Investigate and install e-commerce software to support five core tasks:◦ Catalog management to create and update the
product catalog◦ Product configuration to help customers select the
necessary components and options◦ Shopping cart facilities to track the items selected
for purchase◦ E-commerce transaction processing◦ Web traffic data analysis to provide details to
adjust the operations of the Web site
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For m-commerce to work effectively:◦ The interface between the wireless, handheld
device and its user must improve
Encryption can provide secure transmission
Wireless Application Protocol (WAP):◦ Standard set of specifications for Internet
applications that run on handheld, wireless devices
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Digital certificate: ◦ Attachment to an e-mail message or data
embedded in a Web site that verifies the identity of a sender or Web Site
Certificate authority (CA):◦ Trusted third-party organization or company that
issues digital certificates Example: Verisign
Secure Sockets Layer (SSL):◦ Used to secure sensitive data: https
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Transaction processing systems (TPSs):◦ Capture and process detailed data necessary to
update records about fundamental business operations
◦ Include order entry, inventory control, payroll, accounts payable, accounts receivable, general ledger, etc.
◦ Provide employees with data to help them achieve their goals
Fundamentals of Information
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An Overview of Transaction Processing Systems (continued)
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Batch processing system:◦ Data processing in which business transactions
are: Accumulated over a period of time Prepared for processing as a single unit or batch
Online transaction processing (OLTP):◦ Data processing in which each transaction is
processed immediately
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TPSs:◦ Capture and process data that describes
fundamental business transactions◦ Update databases◦ Produce a variety of reports
Transaction processing cycle:◦ The process of data collection, data editing, data
correction, data manipulation, data storage, and document production
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Capturing and gathering all data necessary to complete the processing of transactions
Data collection can be:◦ Manual◦ Automated via special input devices
Data should be:◦ Collected at source◦ Recorded accurately, in a timely fashion
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Checking data for validity and completeness to detect any problems
Examples:◦ Quantity and cost data must be numeric◦ Names must be alphabetic
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Reentering data that was not typed or scanned properly
Error messages must specify the problem so proper corrections can be made
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Performing calculations and other data transformations related to business transactions
Can include: ◦ Classifying data◦ Sorting data into categories◦ Performing calculations◦ Summarizing results◦ Storing data in the organization’s database for
further processing
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Updating one or more databases with new transactions
After being updated, this data can be further processed and manipulated by other systems
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Generating output records, documents, and reports:◦ Hard-copy paper reports◦ Displays on computer screens
Results from one TPS can be inputs to another system
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A TPS typically includes the following types of systems:
◦ Order processing systems◦ Accounting systems◦ Purchasing systems
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ERP systems:◦ Central to the organization◦ Ensure information can be shared across all
business functions◦ Employ a database of key operational and
planning data that can be shared by all
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ERP systems:◦ Evolved from materials requirement planning
systems (MRP)
Large organizations:◦ The first to take on the challenge of implementing
ERP
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Improved access to data for operational decision making
Elimination of costly, inflexible legacy systems
Improvement of work processes
Upgrade of technology infrastructure
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Expense and time in implementation Difficulty implementing change Difficulty integrating with other systems Difficulty in loading data into new ERP
system Risks in using one vendor Risk of implementation failure
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A system that includes:
◦ Planning, executing, and controlling all activities involved in raw material sourcing and procurement
◦ Converting raw materials to finished products and warehousing and delivering finished product to customers
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Process for developing a production plan:◦ Sales forecasting◦ Sales and operations plan (S&OP)◦ Demand management◦ Detailed scheduling◦ Materials requirement planning (MRP)◦ Purchasing◦ Production
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General ledger:◦ Main accounting record of a business
ERP system:◦ Captures transactions entered by workers in all
functional areas of the business◦ Creates associated general ledger record to track
the financial impact of the transaction
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Key features of a CRM system:
◦ Contact management◦ Sales management◦ Customer support◦ Marketing automation◦ Analysis◦ Social networking◦ Access by smartphones◦ Import contact data
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Many business application software vendors:◦ Are pushing the use of the hosted software model
for SMEs
Using the hosted software model:◦ Means the small business firm does not need to
employ a full-time IT person to maintain key business applications
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Hosted Software Model for Enterprise Software (continued)
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Challenges that must be met by an enterprise system of a multinational company include:
◦ Different languages and cultures◦ Disparities in IS infrastructure◦ Varying laws and customs rules ◦ Multiple currencies
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Electronic commerce: ◦ Conducting business activities electronically over
computer networks Mobile commerce:
◦ The use of wireless devices such as cell phones and smartphones to facilitate the sale of goods or services—anytime, anywhere
Electronic payment systems:◦ Key component of the e-commerce infrastructure
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Transaction processing system:◦ An organized collection of people, procedures,
software, databases, and devices Enterprise resource planning (ERP) software
◦ Supports the efficient operation of business processes
Production and supply chain management process starts with sales forecasting
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A CRM:◦ Helps an organization build a database about its
customers Challenges faced by multinational
corporations when planning, building, and operating their TPSs:◦ Dealing with different languages and cultures◦ Disparities in IS infrastructure◦ Varying laws and customs rules◦ Multiple currencies
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