Download information systems for decision making

MANAGEMENT INFORMATION
SYSTEMS
• Data Raw facts and figures.
• Information Knowledge gained from processing data.
• Management information system (MIS) Organized method for providing past,
present, and projected information to support decision making.
• Chief information officer
• Generally assists multiple departments throughout an organization.
• Field show strong potential for growth.
• Can prevent gridlock by organizing data.
Databases
• Centralized integrated collection of data resources.
• Online systems also provide information to decision makers.
Business Intelligence
• Data mining or business intelligence
• Can help create customer profiles, pinpoint reasons for customer loyalty,
analyze the impact of pricing changes, and forecast sales.
INFORMATION SYSTEMS FOR
DECISION MAKING
Decision Support System
• Information system that quickly provides relevant data to help businesspeople
make decisions and choose courses of action.
• Executive Support Systems
• Expert Systems
Trends in Information Systems
Local Area and Wide Area Networks
• LANS connect machines within limited areas.
• WANS tie larger geographical regions together
• Wi-Fi Wireless network
Application Service Providers and On-Demand
Computing
ASP Specialist in both computers and application support
• On-demand computing
COMPUTER HARDWARE AND
SOFTWARE
• Computers have become indispensable as they have gotten more powerful and
less expensive.
Types of Computer Hardware
• Mainframe
• Minicomputer
• Personal computer
• Handheld devices
Types of Computer Software
• Set of instructions that tell the computer hardware what to do.
• Operating system
• Application software
HOW COMPUTERS HELP
BUSINESSPEOPLE
• Improves the speed and effectiveness of decision making.
• Make available to everyone accurate, unbiased data.
• Support team decision making at low levels of an organization’s hierarchy.
• Collaboration on reports and other projects from different locations.
Enterprise Resource Planning System
• Collects, processes, and provides information.
Word Processing
• Inputs, stores, retrieves, edits, and prints various types of documents.
• Desktop publishing.
Spreadsheets
• Computerized equivalent of an accountant’s worksheet.
Electronic Mail
• Popular programs include Microsoft Outlook, Outlook Express, and Eudora.
Presentation Graphics
• Computer program that includes graphics and tools to produce a
variety of charts, graphs, and pictures.
Multimedia and Interactive Media
• Technologies that integrate two or more types of media.
INTRANETS, VIRTUAL PRIVATE
NETWORKS, AND VoIP
Intranets
• A computer network that links employees and other authorized users.
• Firewalls
Virtual Private Networks
• Secure connections between two points on the Internet.
VoIP
• Special software that transmits phone conversations over the Internet, rather than
through telephone lines.
PROTECTING INFORMATION
SYSTEMS
E-Crime
• Theft or alteration of data.
• Theft of physical equipment.
Computer Viruses, Worms, Trojan Horses, and
Spyware
• All of them can infect, in addition to computers, handheld devices
such as cell phones.
DISASTER RECOVERY AND BACKUP
• Companies use disaster recovery planning to decide how to prevent system
failures and continue operations if computer systems fail.
• Routinely backing up software and data.
• Some companies offer data backup and disaster recovery services.