EDA Flashcards
(149 cards)
collection of raw facts from which conclusions may be drawn
Data
Who creates data?
◦ Individuals
◦ Businesses
CATEGORIES OF DATA
- STRUCTURED
- UNSTRUCTURED
STRUCTURED
- Data Bases
- Spread Sheets
UNSTRUCTURED
- Forms
- Images
- Audio
- Movies
What do individuals/businesses do with the data they collect?
They turn it into “information”
” ____ is the intelligence and knowledge derived from data”
Information
___ analyze raw data in order to identify meaningful trends
Businesses
Value of Information to a Business
- Creating a competitive advantage
- Identifying new business opportunities
- Identifying patterns that lead to changes in existing business
- New services
- Targeted marketing campaigns
___ used depends on the type of data and its creation/usage rate.
Type of storage
Storage
* Data created by individuals/businesses must be ____
stored for further processing.
Storage Examples:
* __ : Digital camera, Cell phone, DVDs, Hard disk
Individuals
Storage Examples:
* __ : Hard disk, External disk arrays, Tape library
Businesses
Storage Model: An Evolution
Centralized & Decentralized
Mainframe computers
Centralized
- __ : __ (Data spread across many servers)
Decentralized: Client-server model
- __ : __ (Huge repositories)
Centralized: Storage networking
for order entry
Application
to store customer and product information
Database Management System (DBMS)
on which the application and database programs are run
Server/Operating System (OS)
database is stored on physical disks in the ___
Storage Array
The Core Elements
- Applications
- Databases – Database Management System (DBMS) and the physical and logical storage of data
- Servers/Operating systems
- Networks (LAN and SAN)
- Storage arrays
- A customer order is entered via the _ on a client
Application User Interface
- The client accesses the server over a _
Local Area Network