30 Questions
What is the definition of data?
Information such as facts and numbers used to analyze something or make decisions
What is the Latin origin of the word data?
Datum, meaning 'something given'
How is data often considered in scientific use?
As a plural noun meaning 'pieces of information'
What is the primary purpose of data?
To analyze something or make decisions
Which of the following is NOT a type of data?
Hardware data
What is the purpose of data management and use?
To manage and use data effectively
What is one of the applications of data science in the medical field?
Analyzing medical images
What is the primary function of data science algorithms in internet search engines?
To show the desired result
What is the main characteristic of qualitative data?
It represents characteristics or attributes
What type of data can be measured and numerically represented?
Quantitative data
What is an example of qualitative data?
Data on student's intelligence, honesty, and creativity
What is the purpose of distinguishing between qualitative and quantitative data?
To know how to use the data
What is the term 'data' often distinguished from in electronic component interconnection and network communication?
Control information
What is the purpose of data cleansing in data management?
To reduce duplication
What is metadata sometimes referred to as?
Data about data
What is the goal of systems for analytics that combine structured and unstructured data?
To achieve realtime performance
What is the purpose of extract, transform, and load (ETL) processes in data management?
To integrate data
Why is data quality important in organizations?
To ensure accurate and current records are used
What is the main purpose of a data warehouse?
To analyze business operations
What led to the development of data mining techniques?
The emphasis on finding patterns and predicting business outcomes
What is the primary role of a database administrator?
Designing, tuning, and maintaining databases
What is the term used to describe professionals who work on data mining and analysis?
Data scientist
What is the primary role of a data steward?
Implementing data governance policies
What is the term used to describe individuals who create creative data visualizations?
Data artist
What is the measurement unit of data equal to 10 to the 27th power of bytes?
Brontobyte
What is the primary purpose of database technology?
Data organization
What is the characteristic of big data that refers to the speed at which it is generated and processed?
Velocity
What is the term used to describe data in the petabyte range or larger?
Big data
What is an example of a file format used for data storage and conversion?
CSV
What is the result of the growth of the web and smartphones over the past decade?
Surge in digital data creation
Study Notes
Definition of Data
- Data is information, such as facts and numbers, used to analyze something or make decisions.
- Computer data is information in a form that can be processed by a computer.
- The word "data" is the plural of Latin "datum," meaning "something given."
Uses of Data
- Data is used to make decisions and analyze something.
- Data science is used in medical images, genetics, genomics, development of drugs, and virtual assistants for patients.
- Data science is also used in internet search, targeted advertising, image recognition, speech recognition, airline route planning, augmented reality, and gaming.
Types of Data
- Data can be qualitative or quantitative.
- Qualitative data represents characteristics or attributes that cannot be computed or calculated.
- Quantitative data can be measured and numerically represented.
Sources of Data
- Data can be collected from various sources, including primary and secondary sources.
- Data can be collected through surveys, observations, experiments, and existing sources.
Data Management and Use
- Data management involves ensuring data quality, reducing duplication, and guaranteeing accurate records.
- Data is processed using extract, transform, and load (ETL) processes.
- Data is complemented by metadata, which helps administrators understand database and other data.
- Analytics combining structured and unstructured data have become useful for organizations.
Data Professionals
- Data professionals include database administrators, data stewards, and data scientists.
- Database administrators design, tune, and maintain databases.
- Data stewards carry out data usage and security policies.
Storage and Memory
- Data storage is measured in megabytes and gigabytes.
- Units of data measurement continue to grow as the amount of data collected and stored grows.
- Data can be stored in file formats such as comma-separated values and SAM and VSAM.
Big Data
- Big data refers to large amounts of data in the petabyte range or larger.
- Big data is characterized by the 3Vs: volume, variety, and velocity.
- Big data-driven business models treat data as an asset in itself.
Test your understanding of data and data management concepts, including definition, uses, analysis, and types of data. This quiz is designed for nursing students in their first stage of studies. Evaluate your knowledge and identify areas for improvement.
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