Exam (elaborations)
DAD-220 Questions And Answers Latest Update
- Course
- DAD 220
- Institution
- Southern New Hampshire University
DAD-220 Questions And Answers Latest Update
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Solution 2024/2025Pepper
DAD-220 Questions And Answers Latest
Update
Data
raw information, collected raw facts and values - stock prices
Information
data that has been processed and analyzed to give the facts more value
and meaning - a graph of stock prices over time
Types of data formats
text, image, audio, video
Types of data sources
industries, governments, individuals, and more
common sources of data - Social Networks
Facebook, twitter, youtube, blogs, search engines, etc
common sources of data - business systems
medical records, commercial transactions, bank records, e-commerce
common sources of data - Internet of Things
home automation, weather sensors, traffic sensors, webcams, surveillance
videos, security images
Data.gov
A U.S. government geoportal that allows access to U.S. Federal Executive
Branch datasets. provides more than 250,000 U.S. government data sets to
support research and application development
NASA's Data Portal
, Solution 2024/2025
Pepper
provides numerous data sets in categories such as aerospace, earth
science, and space science
National Cancer Institute
The federal government's principal agency for cancer research. Collects and
reports data and information relative to all forms of cancer. Also provides
support for research, grants, and training in the pursuit for a cure for
cancer.
Data Science Central
Supports Big Data (large data sets provided for computational analysis)
initiatives. Also supports Big Data practitioners in scientific industries such
as machine learning, artificial intelligence, and deep learning.
NYCOpenData
Data collected by the New York City government. The data is used to
support continuous monitoring and improvements of the health and well
being of NYC and its residents.
Database
a collection of data in a structured format that correlates related data
values. The database structure enables fast storing, retrieving, updating,
and deleting of data.
Database Management System (DBMS)
commonly called a database system, is a software application used to
support data organization in a database. A database system provides
additional functionality to secure data and ensure data is accurate.
application
software used to interact with a database system to access data in a
database
Database Administrator (DBA)
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