Science Computer Science
D426 Chapter 1 exam with question
and answer 100% correct
Terms in this set (63)
Data Numeric, textual, visual, or audio information that describes
real-world systems. Collected and processed to aid in variety
of task, such as forecasting weather, analyzing financial
investments, and tracking the global spread of
pandemics.
Scope The amount of data produced and collected can vary. Ex: A
small business might track an inventory of a few thousand
items, but a large commerce website might track billions of
items.
Format Data may be produced as numbers, text, image, audio, or
video. Ex: A phones proximity sensor generates raw numbers,
and a satellite capturers imagines.
Access Some data sources are private while others are made publicly
available. Ex: A retail company may use private customer
data to discover purchasing behavior patterns, but a
government may be required by law to share certain data
sets
Analog Encoded as continuous variations on various physical media.
Ex: Audio was recorded as vibrations impressed on vinyl disks.
Digital Encoded as zeros and ones on electric and magnetic media.
Database A collection of data organized in a manner that allows access,
retrieval, and use of that data. Ensures that similar data is
stored in standardized manner.
Database Management System (DBMS) Software that reads and writes data in a database. Ensure data
is secure, internally consistent, and available at all times.
Query A request to retrieve or change data in a database.
Query Language A specialized programming language, designed specifically
for database systems
Database Application Software that helps business users interact with database
system.
, Information Management System Software application that manages corporate data for a
specific business function. Usually includes a database system
as well as other components, such as a user interface,
business logic, and interfaces to other systems.
D426 Chapter 1 exam with question
and answer 100% correct
Terms in this set (63)
Data Numeric, textual, visual, or audio information that describes
real-world systems. Collected and processed to aid in variety
of task, such as forecasting weather, analyzing financial
investments, and tracking the global spread of
pandemics.
Scope The amount of data produced and collected can vary. Ex: A
small business might track an inventory of a few thousand
items, but a large commerce website might track billions of
items.
Format Data may be produced as numbers, text, image, audio, or
video. Ex: A phones proximity sensor generates raw numbers,
and a satellite capturers imagines.
Access Some data sources are private while others are made publicly
available. Ex: A retail company may use private customer
data to discover purchasing behavior patterns, but a
government may be required by law to share certain data
sets
Analog Encoded as continuous variations on various physical media.
Ex: Audio was recorded as vibrations impressed on vinyl disks.
Digital Encoded as zeros and ones on electric and magnetic media.
Database A collection of data organized in a manner that allows access,
retrieval, and use of that data. Ensures that similar data is
stored in standardized manner.
Database Management System (DBMS) Software that reads and writes data in a database. Ensure data
is secure, internally consistent, and available at all times.
Query A request to retrieve or change data in a database.
Query Language A specialized programming language, designed specifically
for database systems
Database Application Software that helps business users interact with database
system.
, Information Management System Software application that manages corporate data for a
specific business function. Usually includes a database system
as well as other components, such as a user interface,
business logic, and interfaces to other systems.
