Final Exam Flashcards
Information System
tools and processes that allow you to acquire, analyze, organize and manage information.
Protocol
rule or procedures
information
when we take data and process it to make decisions
systems thinking
thinking about the internal and external environment and how it effects your thinking
internal
everything that you put into a computer
exernal
everything that the computer displays
ERP (Enterprise Resource Planning)
an information system that is ONE system for the whole organization (Oracle/Microsoft) -> a centralized data source
requirement gaps for ERP
ERPs do not always meet all of the requirements of an organization
Evaluating Processes
Do the processes use resources efficiently? is the process effectively achieving its goal?
Improving Processes
Changing the structure and adding resources to improve a process
WAN (Wide Area Network)
a network that connects LANs together (USES TELECOM PROVIDER)
LAN (Local Area Network)
doesn’t use a telecom provider and is used at a single geographic location
PAN
a type of LAN that connects devices in the shortest and most personal route (a persons mobile device)
Characteristics of a packet switched network
- most efficient (quickest and least redundancy)
- more survivable than packet switched networks
- multiple paths for sender and reciver
Volatile RAM
if you turn power off everything disappears
Temporary RAM
requires power to contain information
examples of operating systems
windows and apple
open source software
linex -> limitations are that they have no IT or customer support
objects of a relational database
1) table/file = a group of similar rows or records
2) record = rows (side to side)
3) attribute/columns/fields = up and down
ERD
drawing or visual that shows the relationship table and entity relationship diagram for a database
Foreign Key
a field on one table that uniquely identifies a row on another table
redunancy
store pieces of data more than once in a database
data mining
applying algorithm software to look for patterns/correlations in a database
datawarehouse
a separate database from the operational database where you can store and access queries