GIS Quiz 5

Vocabulary List

1. GIS (Geographic Information System) – A system for collecting, storing, analyzing, and displaying spatial data.

2. Layer – A collection of geographic features in GIS, such as roads or water bodies.

3. Spatial Data – Data that represents locations and shapes of features on a map.

4. Attribute Data – Information about spatial features, stored in tables.

5. Vector Data – Data stored as points, lines, or polygons.

6. Raster Data – Data stored in a grid of pixels.

7. Attribute Table – A table containing information about spatial features.

8. Record (Row) – Represents a single geographic feature in an attribute table.

9. Field (Column) – Represents an attribute of a geographic feature.

10. Sorting – Arranging data in ascending or descending order.

11. Field Calculation – Creating new values based on existing attribute data.

12. Statistics Calculation – Finding mean, median, max, min, and standard deviation.

13. String (Text Data) – A data type used for names and labels.

14. Integer – A data type used for whole numbers.

15. Float – A data type for decimal numbers with lower precision.

16. Double – A data type for decimal numbers with high precision.

17. Selection Tools – Methods to choose specific features in GIS.

18. Select by Attributes – Choosing features based on data values.

19. Select by Location – Choosing features based on their spatial relationship.

20. Switch Selection – Inverting selected and unselected features.

21. Clear Selection – Deselecting all features.

22. Arcade – A scripting language used in ArcGIS for custom calculations and selections.

23. Query – A request to extract specific data from a GIS database.

24. Identify Tool – A tool that displays attributes of a selected feature.

25. Table Join – Linking attribute tables to enhance GIS data.

26. One-to-One (1:1) Join – A single record in one table matches one record in another.

27. Many-to-One (M:1) Join – Multiple records in one table link to a single record in another.

28. One-to-Many (1:M) Join – A single record links to multiple records in another table.

29. Many-to-Many (M:M) Join – Multiple records in both tables match multiple records.

30. Summarized Join – Aggregating data before joining to simplify relationships.

31. Relate – A method for linking data without merging tables.

32. Identify by Shape – Selecting features by drawing a custom shape on the map.

33. Metadata – Information about a dataset, including source, format, and creation date.

34. Vector Attribute Table – A table linked to vector features (points, lines, polygons).

35. Raster Attribute Table – A table linked to raster cells containing values like elevation or temperature.