Exam 2- Chapters 5 and 12 Flashcards
T or F: The process of acquiring, keeping, and managing data is becoming increasingly difficult.
True
All information technology applications require:
data
Data should be of high quality, meaning it should be what 7 things?
- Accurate
- Complete
- Timely
- Consistent
- Accessible
- Relevant
- Concise
What are the 8 difficulties of managing data?
- The amount of data is increasing with time.
- Data is frequently stored in numerous servers and locations
- Data are generated from multiple resources
- New data is constantly being developed, and this data must be managed; data also becomes less current over time
- Data are subject to data rot
- Data security, quality, and integrity are easily jeopardized.
- Federal regulations complicate data management and companies are drowning in data
- Big Data
Inconsistent data prevents a company from what?
Developing a unified view of core business information
a collection of data held by one group that is not easily accessible by other groups
data silo
One major method to remove data silos is through ________ ________ _________.
cloud data management
What are three issues with data silo’s?
- Hinder the process of gaining actionable insights from organizational data
- Create barriers to an overall view of the enterprise and its data
- Delay digital transformation efforts
Data that are continuously generated by point-of-sale systems, clickstream data, social media, and sensors
Data streams
Point of Sale systems collect data in _____ _____.
real time
the information that is collected during the customer sales transaction (like name, product identification number, unit price of each item, etc.)
point-of-sale data
What are the four types of data streams?
- Point-of-Sale Data
- Clickstream Data
- Social Media Data
- Sensor Data
the data that visitors and customers produce when they visit a website and click on hyperlinks
clickstream data
What type of data stream would this be: data that includes shares, likes and dislikes, ratings, reviews, recommendations, and comments.
social media data
a system in which any object, natural or manmade, contains internal or external wireless sensor(s) that communicate with each other without human interaction. What type of data stream does this relate to?
The Internet of Things (IoT); sensor data
monitors and reports data on physical and environmental conditions around it, such as temperature, sound, pressure, vibration, and movement
sensor data
What can sensors do?
Control physical systems, such as opening and closing a valve and adjusting the fuel mixture in your car
T or F: Being able to collect massive amounts of data from many different sources is a double-edged sword.
True
problems with the media on which the data are stored
data rot
What are the two aspects of data rot?
- Over time, temp, humidity, and exposure to light can cause physical problems with storage media and make it difficult to access data
- Finding the machines needed to access the data can be difficult
What three things are critical for data, yet easily jeopardized?
Security, quality, and integrity
Today capturing data is (hard/easy) and storing that data is relatively (expensive/inexpensive).
easy; inexpensive
An increasing number of companies are turning to ________ to help them make sense of their data.
Enigma
a data management and business intelligence company that specializes in data integration and analytics.
Enigma