Any computer-based tool that people use to work with information & support the information-processing needs of an organization.
Information system
collects, processes, stores, analyzes, and disseminates information for a specific purpose- IT + people and procedures- Input, process and output
End user computing
Two components: end user data entry, reporting, inquiry & end user development
End user development
Users develop usable systems using programming languages or other development tools.
Traditional functions of the MIS department
• Managing systems development and systems project management• Managing computer operations, including the computer center• Staffing, training, and developing IS skills• Providing technical services• Infrastructure planning, development, and control
New Functions of MIS
- Initiating and designing information systems - strategic and mandate development - Incorporating the internet and e-commerce into the business- Managing system integration - internet, intranet and extranet- Educating non-mis managers about IT-Educating the MIS staff about the business - Partnering with business unit executives - Managing outsourcing - Proactively using business and technical knowledge to seed innovative ideas about IT- Creating business alliances with business partners
MIS
Study of people, technology and organizations
Data
elementary descriptions of things, events, activities, and transactions that are recorded, classified, and stored but are not organized to convey a specific meaning
Information
data that has been organized so it has a meaning and value to the recipient
Knowledge
Data and/or information that have been organized and processed to convey understanding, experience, accumulated learning, and expertise as they apply to a current problem or activity.
a computer-based information system
is an information system that uses computer technology to perform some or all of its intended tasks.
Information technology components
hardware, software, databases, and networks
Hardware
consists of devices such as the processor, monitor, keyboard, and printer. These devices accept, process, and display data and information
Software
a program or collection of programs that enable the hardware to process data
database
a collection of related files or tables containing data
network
a connecting system (wireline or wireless) that permits different computers to share resources
Procedures
are the instructions for combining the above components to process information and generate desired input
Information technology platform
The IT components of hardware, software, networks (wireline and wireless), and databases
Information technology services
overseeing security and risk + managing data
Information technology infrastructure
IT components + IT services
Benefits of IS
- High-speed, high-volume numerical calculations-Provide fast, accurate communication and collaboration within and among organizations - Store huge amounts of info in an easy to access + small place - Allow quick and inexpensive access to vast amounts of information- Interpret vast amounts of data quickly and efficiently - Automate both semi-automatic business processes and manual tasks
App (application program)
a computer program designed to support a specific task or business process
departmental information system (functional area information system)
The collection of application programs in a single department- EX. system for processing payroll
Business intelligence systems dashboards
FIGURE 1.4 PAGE 20
In marketing, IT is used for
Product analysis - developing new goods and servicessite analysis - determining the best location for production and distributionpromotion analysis - identifying the best advertising channels Price analysis - setting product prices to obtain the highest total revenue
In manufacturing, IT is used for
Production with computer-assisted design (CAD) and computer assisted manufacturing (CAM)
Two information systems that support the entire organization are:
enterprise resource planning systems and transaction processing systems
Enterprise Resource Planning (ERP)
designed to correct a lack of communication among the functional area ISs- Oracle, SAP system
Transaction Processing System (TPS)
supports the monitoring, collection, storage, and processing of data from the organization's basic business transactions, each of which generates data. Monitors this in real-time.- Walmart checkout
A transaction is
Anything that changes a firm's database
Can an ERP be a TPS
All ERP systems are also TPSs, but not all TPSs are ERP systems
Inter organizational information systems
information systems that connect two or more organizations
Supply chain
is the flow of materials, information, money, and services from suppliers of raw materials through factories and warehouses to the end customers.
electronic commerce systems
A type of interorganizational information system that enables organizations to conduct transactions, called business-to-business electronic commerce, and customers to conduct transactions with businesses, called business-to-consumer electronic commerce.
Knowledge workers
Professional employees who are experts in a particular subject area and create information and knowledge, which they integrate into the business. Create knowledge and information that is integrated into the business.
Office automation system
supports daily work activities of individuals and groups- Microsoft office
Business intelligence systems
provide computer-based support for complex, non routine decisions, primarily for middle managers and knowledge workers
Expert system
attempts to duplicate the work of human experts by applying reasoning capabilities- Credit card approval analysis
Dashboards
a special form of IS that support all managers of the organization by providing rapid access to timely information and direct access to structured information in the form of reports- Status of sales by product