mba 621 information systems
gps
(global positioning system) is a system that determines accurately the precise position of something on earth
3-stage model of organizational change
1. unfreezing-is ceasing old habits and creating a climate that is receptive to change. 2. Moving,- involves learning new work methods, behaviors, and systems. 3. refreezing- involves reinforcing changes to make the new process second nature, accepted, ad part of the job
server and client software
1985-present- software, data, storage, processing power
special-purpose programming language
1st generation machine language 2nd generation- the code is in code uses abbreviations for all commands 3rd gen the code is in words: print, find, if then 4th query and database languages- you get to ask questions beyond 4th natural and intelligent languages closer to fall sentences ask questions or give instructions in English
cloud computing
2000-present on-demand computing services obtained over a network infrastructure as a service software as a service cloud storage public or private concerns security and reliability
lewis and Schein
3 stage model to organizational change: unfreezing, change process, refreezing
stakeholder
A person or organization with an interest in a particular place or issue.
Diffusion of Innovation Theory
A theory developed by E.M. Rogers to explain how a new idea or product gains acceptance and diffuses (or spreads) through a specific population or subset of an organization.
cpu
Central processing unit: the part of a computer that sequences and executes instructions arithmetic/logic unit
professional network
Coworkers, managers from other businesses, and other types of professionals. LINKEDIN
communication standards
Formal protocols for internal communications within an organization to eliminate sex/gender, race, age, or other biases in communications.
organizational goals
Goals that focus on broad statements of what the organization as a whole wants to achieve.
graphical objects
Graphical Objects. Graphical object is an image in the symbol window; it can be selected, moved, modified or deleted. Graphical objects include, for example, horizontal and vertical lines, linear regression channel, Fibonacci levels, rectangle, text mark, etc
hypertext transfer protocol
HTTP stands for...
maintaining security and integrity
IT ETHICS
security
IT security
data standards
Objects, features, or items that are collected, automated, or affected by activities or the functions of organizations.
IS department functions
Plan the use of IS to accomplish organizational goals and strategy. Manage outsourcing relationships. Protect information assets. Develop, operate, and maintain the organization's computing infrastructure. Develop, operate, and maintain applications.
backbone
The very high bandwidth major communication lines in a network.
run more than one program concurrently
UNIX, red hat linux, mac os x server multiprocessing
markup languages
Use codes, called tags, to provide instructions about the structure and formatting of a document
collect, codify, store knowledge
What is an information system business info value chain technology infrastructure
byte
a byte is typically 8 bits, byte represent a character.
file
a collection of related records, ex: an employee file is a collection of all company employee records.
hub-and-nodes distribution model
a geographic model explaining how linked regions can co-operate to fulfill elements of an industry's value chain and collectively gain sufficient mass to drive innovation growth. The model of hubs and nodes builds on Porter's cluster model which served well in the past, but as businesses and regions around the world have adjusted to the realities of globalization, the concept of clusters is becoming outdated.
supply chain
a key-value chain whose primary activities include inbound logistics, operations, outbound logistics, marketing and sales, and service
data lifecycle management
a policy based approach to managing the flow of an enterprise's data from its initial acquisition or creation and storage to the time when it becomes outdated and is deleted
certifications
a process for testing skills and knowledge
relational database
a simple but highly useful way to organize data into collections of two-dimensional tables called relations: each row represents an entity, each column represents an attribute of that entity.
quality information
accessible, accurate, complete, economical flexible, relevant, reliable, secure simple, timely, verifiable,
middleware
allows different systems or apps to communicate and exchnage data is a software that provides messaging services that allow different applications to communicate and exchange data. This systematic tying together of disparate applications, often through the use of middleware, is known as enterprise application integration
Knowledge Management Systems
an organized collection of people, procedures, software, databases, and devices that stores and retrieves knowledge improves collaboration, locates knowledge resources, captures and uses knowledge in some other way enhances the knowledge management process
data center
are a climate and access controlled building or a set of buildings that houses the computer and servers
people
attitudes, behavior, skills, reward system
enourmous and complex data
big data
Early Majority (34%)
characteristics- listen to and follow the opinion leaders strategy to use- provide them with evidence of the system's effectiveness and success stories.
fields
collection of characters which is 1 byte+
internet services
companies that specialize in conducting research on the internet
backups
copies of files that you can use to replace the originals if they're lost or damaged
proprietary software
custom made just for you very expensive expensive to upgrade keeps secrets secret is a one-of a kind software designed for a specific application and owned by the company, organization, or person that uses it.
database stored on a service provider's server
database as a service
new ideas or product gain acceptance
diffusion of innovation theory
value of information
directly linked to how it helps decision-makers achieve their organization's goals. Can help people do tasks more efficiently and effectively.
the performance levels of radically new 'high-tech' products usually improve with newer version. such types of products are known as
disruptive innovations
open-source operating system
distributed, typically for free, with the source code also available so that is can be studied, changed, and improved by its users. overtime it evolves in response to the combined contributions of its users
two different operating systems on one computer
dual booting, virtualization software, multi processor operating system
business analytics
extensive use of data and quantitative analysis to support fact-based decision making within organizations
strategic plan
identifies long-term directions for the organization
green computing
infrastructure investments avoid under and over investment rent technology
disruptive innovation
initially provides a lower level of performance than the marketplace has grown to accept. over time, however, disruptive innovation is improved to provide new performance characteristics becoming more attractive to users in new markets.
hotspot
internet from phone to other things
ip address
is a 64-bit number that identifies a computer on the internet. the number is typically divided into four bytes and translated to decimal.
Bit
is a binary digit that represents a circuit that is either on or off. bits can be organized into units called bytes. bit is all a computer really understands electricity 0 off 1 on 8bits=byte 1byte one(number) digit (letter) 123= 3 bytes byte= 8bits
embedded system
is a computer system that is implanted in a dedicated to the control of another device
data warehouse
is a database that holds business data/info from many sources in the organization
continuous improvement
is a form of innovation that constantly seeks ways to improve business processes and add value to products and services
operating system
is a set of programs that controls a computer hardware and acts as an interface with application software; it can control one or more computers, or it can allow multiple users to interact with one computer.
database
is a well designed, organized, and carefully managed collection of data collection of files all related to each other in someway
data stewardship
is an individual responsible for the management of critical data elements, including identifying and acquiring new data sources; creating and maintaining consistent reference data and master data definitions; and analyzing data for quality and reconciling data issues.
MIS
is an organized collection of people, procedure, software, databases and devices that provides routine information to managers and decision makers.
unfreezing stage
is ceasing old habits and creating a climate that is receptive to change.
geolocation
map quest, google maps
providing value
marketing must identify specific product features, prices, and distribution
disparate systems
middleware translates information between A disparate system is often characterized as an information silo because of the data system's isolation from or incompatibility with any other data systems.
Cybercrime
motivated for the potential for monetary gain; they hack into computer systems to steal, often by transferring money from one account to another or by stealing and reselling credit card numbers, personal identifications, and financial account information
information system worker
must enjoy working in a fast-paced, dynamic environment where the underlying technology changes all the time.
fiber-optic cables
no electricity- light is transmitted therefore no electromagnetic interference
off-the-shell software
one size fits all(with some alterations sometimes rule of thumb" if it makes 80% of your needs, you can make it work for you produced by software vendors to address needs that are common across businesses, organizations, or individuals.
ranking in search results
paid for
personal application software
person gets tax software uses it to file taxes helps user solve particular problems/ tasks
memory
provides the processor with a working storage area to hold program instructions and data.
end users
representatives of departments outside of the information systems group for whom applications are developed
censorship
restriction on access to ideas and information
system operators
run and maintain IS equipment. they are responsible for efficiently starting, stopping, and correctly operating mainframe systems, networks, tape drives, dis devices, printers.
data definitions
smallest to biggest: bit, byte, character, field, record, file, database
general purpose software suite
software suite- collections of programs packaged together and sold in a bundle, examples: personal productivity function, Microsoft Office, Corel WordPerfect Office, Apache OpenOffice, apple I work, google apps, they are designed to work similarly so that after you learn the basics for one application, the other application is easy to learn and use.
Open Source Software (OSS)
software that is distributed for free, with access permitted to the source code so that it can be studied, changed, and improved by software professionals at the various user organizations with no maintenance charges
HTTP
specifies the access method and tells your software to access a file using the hypertext transport protocol
data mart
subset of a data warehouse. they bring the data warehouse concept online analysis of sales, inventory, and other vital business data that have been gathered from transaction processing systems- to small to medium sized businesses and to departments within larger companies.
the most powerful computers
supercomputers- TOP500 in japan
ERP
supports an organization's routine business processes, maintains records about those processes, and provides extensive reporting and data analysis capabilities
3d printing
takes a 3dimensional model of an object stored on a computer and sends it to a 3d printer to create the object using strands of a plastic filament or synthetic powder.
storage applications
the cloud
Supply Chain Management
the management of all the activities required to get the right product into the right consumer's hands in the right quantity at the right time and the right cost from the identification of suppliers and the acquisition of raw materials through manufacture and customer delivery
analyzing sales data
the sales manager may want individual sales data summarized so it shows the total sales for the month.
machine-readable format
the structured format that can automatically be read and processed by a computer such as comma-separated values (CSV), Javascript Object Notation (JSON), or Extensible Markup Language (XML). "Machine-readable format" does not include a portable document format (PDF).
input/output
things like an ATM: put in a card, get cashback,(provides data and instructions to the computer and receive results from it.
drill down
this allows managers to get increasing levels of detail about business conditions
database administration
to plan, design, create, operate, secure monitor, and maintain databases
register
to record or enroll
communication medium
twisted pair- most basic serial cable- 8 strands in one cable coax cable-1 solid copper wire- main transmission-braided wire around the outside-enhanced protection from electromagnetic interference fiber-no electricity- light is transmitted therefore no electromagnetic interference microwavable radio signal-between two towers-electromagnetic interference is a problem
domain names
unique names which identify Internet sites and businesses
big data characteristics
volume, velocity, variety
bluetooth
wireless communications specification that describes how cell phones, computers, printers, and other electronic devices can be interconnected over distances of 10-30 feet.
collection of computers
workgroup