GEO 150 – SFU exam with answers

GEO 150 – SFU exam with answers
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Geography - CORRECT ANSWERS ✔✔The art and science |\ |\ |\ |\ |\ |\ |\ |\



that attempts to study, explain and predict spatial
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distributions and variations of human activity and |\ |\ |\ |\ |\ |\ |\



physical events on or near the Earth's surface
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GIS (geographic information system) - CORRECT
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ANSWERS ✔✔- organized collection of computer |\ |\ |\ |\ |\ |\



hardware, software, geographic data, trained personnel
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and procedures for capturing, managing, analyzing and
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displaying, spatially referenced data to aid problem-|\ |\ |\ |\ |\ |\



solving
- Simple words - a visual representation of the real world
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The goal of GIS - CORRECT ANSWERS ✔✔- Transform data
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into info and evidence
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- solve problems using mapping
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- extract quantitative info from maps
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- enhance geo data to make meaningful to users
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2 ways to organize spatial data - CORRECT ANSWERS ✔✔-
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Thematic - network of streets in a city (real world)
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- Temporal - tree cutting at a certain time (by time)
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,How is GIS data arranged - CORRECT ANSWERS ✔✔-
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Layer based approach |\ |\ |\




- one layer contains the same type of features
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- there is a geographical extent or boundary
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Why is spatial location important ? - CORRECT ANSWERS
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✔✔- any data that has anything to do with location
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information |\




- delivery of services - postal
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- delivery of abstract - credit cards
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- delivery of management - land taxes
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- with an address you become a part of modern society
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Geospatial reference system - CORRECT ANSWERS |\ |\ |\ |\ |\ |\



✔✔identifies locations on the earth's surface |\ |\ |\ |\ |\




3 main categories of Geospatial reference systems -
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CORRECT ANSWERS ✔✔- census geography |\ |\ |\ |\ |\




- geocoding
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- Latitude, Longitude
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Census geography - CORRECT ANSWERS ✔✔- Location
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specified by a label or code |\ |\ |\ |\ |\ |\

, - geographic identifier reference system
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- ex. - postal codes
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Geocoding - CORRECT ANSWERS ✔✔- location specified |\ |\ |\ |\ |\ |\ |\



by reference to a segment and distance from that
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segment to a point |\ |\ |\




- linear reference system
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- ex - postal address
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Longitude, Latitude - CORRECT ANSWERS ✔✔- Location |\ |\ |\ |\ |\ |\ |\



specified with respect to a datum |\ |\ |\ |\ |\ |\




- coordinate reference system
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- ex - degrees
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Perspectives of GIS - CORRECT ANSWERS ✔✔- Database |\ |\ |\ |\ |\ |\ |\ |\




- map view
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- model view
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The Database view - CORRECT ANSWERS ✔✔A GIS is a
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unique kind of database of the world - a geographic
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database (geodatabase). It is an "information system for
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geography". Fundamentally a GIS is based on a structures |\ |\ |\ |\ |\ |\ |\ |\



database that describes the world in geographic terms.
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