Dad-220 Questions And Answers

DAD-220 Data - Answer- raw information, collected raw facts and values - stock prices Information - Answer- 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 - Answer- text, image, audio, video Types of data sources - Answer- industries, governments, individuals, and more common sources of data - Social Networks - Answer- Facebook, twitter, youtube, blogs, search engines, etc common sources of data - business systems - Answer- medical records, commercial transactions, bank records, e-commerce common sources of data - Internet of Things - Answer- home automation, weather sensors, traffic sensors, webcams, surveillance videos, security images D - Answer- 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 - Answer- provides numerous data sets in categories such as aerospace, earth science, and space science National Cancer Institute - Answer- 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 - Answer- 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 - Answer- 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 - Answer- 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) - Answer- 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.