Big Data Chapter 6
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Questions and Answers

What is Big Data?

  • A type of unstructured data
  • A large volume of data that must be mined to acquire information (correct)
  • A small volume of data that can be stored normally
  • A type of structured data

    • What is an example of structured data?

  • Audio file
  • Excel table (correct)
  • Image file
  • PDF document

    • What is the importance of Big Data?

  • It can only be used for personal purposes
  • It can predict customer segments (correct)
  • It requires traditional tools to manage
  • It has no economic benefits

    • What is the process of analyzing Big Data?

    <p>Building models based on the data we collect</p> Signup and view all the answers

    What is the term for 1024 bytes?

    <p>Kilobyte</p> Signup and view all the answers

    What is Hadoop?

    <p>A software that can handle structured and unstructured data</p> Signup and view all the answers

    In what year was Big Data introduced?

    <p>2005</p> Signup and view all the answers

    What is an example of unstructured data?

    <p>Image file</p> Signup and view all the answers

    What is the primary function of Big Data processing?

    <p>To run corporational operations efficiently</p> Signup and view all the answers

    What is Data Mining?

    <p>Extracting useful information from a huge set of data</p> Signup and view all the answers

    What is the 'V' in Big Data that refers to the trustworthiness of data?

    <p>Veracity</p> Signup and view all the answers

    What is an application of Big Data in the healthcare sector?

    <p>Improving health and public health</p> Signup and view all the answers

    What is a disadvantage of Big Data?

    <p>Chance of failures because of haste or bad quality information</p> Signup and view all the answers

    What is an industry where Big Data is employed?

    <p>All of the above</p> Signup and view all the answers

    What is the benefit of Big Data in terms of decision making?

    <p>Accurate predictions and proper decision making</p> Signup and view all the answers

    What is Blockchain?

    <p>A distributed public ledger</p> Signup and view all the answers

    What is the main difference between Virtual Reality (VR) and Augmented Reality (AR)?

    <p>VR provides a whole new reality, while AR overlays enhancements on reality</p> Signup and view all the answers

    What is Mixed Reality (MR)?

    <p>A combination of Virtual Reality and Augmented Reality</p> Signup and view all the answers

    What is an example of a device that can be used to experience Augmented Reality?

    <p>Smart glasses</p> Signup and view all the answers

    Which sector is taking the lead in adopting Virtual Reality and Augmented Reality?

    <p>Entertainment and Health</p> Signup and view all the answers

    What is an example of a training application of Virtual Reality?

    <p>Simulating military operations</p> Signup and view all the answers

    What is a required component of Virtual Reality hardware?

    <p>GPU (Graphics Processing Unit)</p> Signup and view all the answers

    What is an example of a development application of Augmented Reality?

    <p>Understanding and visualizing development plans</p> Signup and view all the answers

    What is necessary for Mixed Reality to function?

    <p>A powerful processing power</p> Signup and view all the answers

    Study Notes

    Virtual and Augmented Reality

    • Augmented Reality (AR) layers computer-generated enhancements onto reality, interactable through cameras or input devices like smart glasses.
    • Virtual Reality (VR) creates a realistic and immersive 3D simulation, experienced and controlled through the body, encompassing the senses.
    • Mixed Reality (MR) is an interactable virtual simulation that generates in the real world, without creating an alternative reality.
    • MR requires more powerful processing power than AR.

    Applications of AR & VR

    • Medicine: simulates the human body for research and training purposes.
    • Training Applications: used for militaristic purposes, such as navigating unfamiliar battlefields, and simulating driving for a real-life experience.
    • Education: used to help children learn and understand concepts.
    • Development Work: AR helps understand and visualize interactions between people and development plans.

    Big Data

    • Big Data refers to a large volume of data that must be mined to acquire information for various purposes.
    • Types of Big Data include Unstructured Data (e.g., images, videos, audio, pdf) and Structured Data (e.g., excel tables, credit card numbers).
    • Importance of Big Data:
      • Useful knowledge can be mined from big data.
      • More useful information can be collected, increasing the amount of useful data.
      • More corporations will make use of big data, creating jobs.
      • It will benefit companies by $430 billion.

    Data Sizes

    • Bit = 0 or 1.
    • Byte = 8 bits.
    • Kilobyte (KB) = 1024 bytes.
    • Megabyte (MB) = 1024 KB.
    • Gigabyte (GB) = 1024 MB.
    • Terabyte (TB) = 1024 GB.
    • Petabyte (PB) = 1024 TB.
    • Exabyte (EB) = 1024 PB.
    • Zettabyte (ZB) = 1024 EB.
    • Yottabyte (YB) = 1024 ZB.

    Big Data Analysis

    • Building models based on collected data.
    • Running simulations.
    • Tweaking data points and observing yielded results.

    Uses of Big Data

    • Companies can predict customer segments and wanted goods.
    • Analyzing data to acquire insights and make informed decisions.

    Characteristics of Big Data

    • Volume: the massive amount of data attained from various sources.
    • Variety: the types of data generated.
    • Velocity: the speed of data collected, generated, and analyzed.
    • Veracity: the trustworthiness of data.
    • Value: the importance of data to the business.
    • Variability: the ways in which big data can be utilized.
    • Viscosity: the resistance when navigating data.
    • Visualization: diverse ways of representing data.

    Applications of Big Data

    • Understanding and targeting customers.
    • Optimizing business processes.
    • Personal qualification and performance optimization.
    • Improving health and public health.
    • Improving sports performance.
    • Improving science and research.
    • Optimizing machines and drive performance.
    • Improving security and law enforcement.
    • Improving and optimizing cities and countries.
    • Financial trading.

    Blockchain

    • A distributed public ledger (database) shared among multiple people.

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    Description

    This quiz covers the concept of Big Data, its types, and the challenges associated with it. Topics include lack of content, negative health effects, ethical issues, and social impacts.

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