info systems exam 2
approach to managing info across an organization
data gov
smallest unit of data a computer can process
bit
single character
byte
logical grouping of characters into a word, small group of words, or identification number
field
group of related fields
record
3 characteristics of big data
volume velocity variety
repository of historical data that are organized by subject to support decision makers in the organization
data warehouse
data reduction is the conversion of raw...into smaller more useful...
data, information
analysis that attempts to calculate the value of the inputs necessary to achieve a desired level of output
goal seeking
analytics that drives the coupons you get at the grocery store when you use your loyalty card
predictive analytics
employee role that manages, cleans, abstracts, and aggregates data as well as conducts a range of analytical and statistical procedures on that data
business analysts
associated with development of one or a few related analytics applications
data silo
most common and popular BA tool that microsoft has created
excel
if you want to spend a max of 10k on your first car, what kind of analysis is used to figure out the location and size
goal seeking
ethernet is a technology associated with what 3 letter acronym
IAN
cables that are made of glass
fiber
downsides of twisted-pair wire
high bandwidth
most secure cable medium
fiber optica
protocol of the internet
TCP/IP
layer of the TCIP/IP HTTP is part of
application
another name for the most well known network of networks
internet
how users generally access the web
browser
kind of portal thats considered intranet
corporate
disadvatages of telecomuting
visibility
differences between e-learning and distance learning
e-learning is teaching yourself online and distance learning is learning from someone online
transmission systems that can have a large coverage area but encryption must be used for security
sattelite
which trasmission systems biggest weakness is signals experiencing propigation delay
sattelite
kind of satelittes that are the least expensive to build and launch
low earth orbit
unauthorized access point into a wireless network
rouge access point
when someone stimulates a valid wireless access point to get people to provide usernames, passwords, and account numbers without that persons knowledge
evil twin attack
when users carry a device with them and can initiate a real time contact with other systems from wherever they happen to be
mobile computing