What is a system?
A set of interrelated components with a clearly defined boundary.
to achieve a common set of objectives by accepting inputs and producing outputs in an organized
What are the basic functions of a system?
Input: capturing and assembling elements that enter the
system to be processed.
transformation process that converts input into output.
transferring transformed elements to their ultimate destination.
What is an Information System?
An organized combination of people, hardware and software,
communication networks, data resources, policies and procedures.
This system stores, retrieves,
transforms, and disseminates information in an organization.
All the components and resources necessary
to deliver information and functions to the organization(could be paper based)(hardware, software,
networking, data management).
What is a cybernetic system?
A self-monitoring, self-regulating system, adds feedback and control.
data about the performance of a system.
Involves monitoring and evaluating feedback to determine whether a system is moving toward
the achievement of its goal.
What should business professionals know?
What is E-Business?
Uses internet technologies to empower business processes, electronic commerce,
collaboration within a company, collaboration with customers, suppliers, and other business stakeholders.
In essence, an online exchange of value.(Use: support communications, coordination and coordination
among teams and work groups).
What is reengineering?
Internal business processes.
What is e-commerce?
Buying, selling, marketing, and servicing of products and services over networks.
What is a TPS? A PCS?
What are the different types of Management Support Systems?
Provides information as reports and
Gives direct comuter support to managers during decision-making.
How do we measure IT success?
Efficiency: minimize cost, time, and use of information resources.
support business strategies, enable business processes, enhance organizational structure
and clulture, increase customer and business value.
What are typical IS activities?
Input of data resources(data entry activities), processing of data into
information(calculations, comparisons, sorting, and so on), output of information products(messages,
reports, forms, graphic images), storage of data resources(data elements and databases), control of system
performances(monitoring and evaluating feedback).
Describe intranet vs. extranet
Intranet is a private computer network that uses
connectivity to securely share any part of an organization's information or operational systems
with its employees. Sometimes the term refers only to the organization's internal
, but often it is a
more extensive part of the organization's computer infrastructure and private websites are an important
component and focal point of internal communication and collaboration.
Extranet is a private network