Notes for Exam 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is Geographic Information Systems? | show 🗑
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| When did GIS begin? And where? | show 🗑
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| Who is the godfather of GIS? | show 🗑
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| show | Scanned maps, Vectorized scanned maps, topological systems, attribute table.
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| What institute brought people together? | show 🗑
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| What was the name of the first GIS software package? | show 🗑
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| Jack Dagermond made which company? | show 🗑
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| show | A map is a 2-D representation of something on the surface of the earth.
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| show | Distance, Direction, Size, Shape
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| Types and definition of types of maps | show 🗑
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| What is a scale? | show 🗑
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| show | Graphical scale- graduated bar, Verbal scale-linch=200feet, Fractional scale- compares map distance to ground distance by proportional numbers and is expressed as a ratio.
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| What are the 7 map essentials? | show 🗑
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| What are 3 datums? | show 🗑
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| show | 200 feet
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| show | Preserves direction and shape. Sacrafices distance and area
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| show | Preserves area. Sacrafices shape distance and direction.
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| What does an overlay have? | show 🗑
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| Measurments north and south of equator. | show 🗑
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| show | Longitude
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| show | multiple data sets, symbology, layouts, pathes
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| What is data? | show 🗑
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| What is a Raster Model? | show 🗑
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| show | -Points (X,Y) coordinates-lines, series of points-polygons, an enclosed line
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| Examples of Geographic Data | show 🗑
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| show | Descriptions linked to location, nominal, ordinal, interval, ratio
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| show | One that serves only to identify and entity from another
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| What is Ordinal? | show 🗑
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| show | Value differences make sense
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| show | Simular to interval has no arbutary zero
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| show | Group the data 3-10
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| What is equal interval? | show 🗑
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| show | ID breakpoints between classes so that each subclass ha the same amount of data.
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| What is natural breaks? | show 🗑
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| What is frequency distribution? | show 🗑
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| What is a Histogram? | show 🗑
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| show | 0-5=5=.25, 6-10=1=.05, 11-15=2=.1, 16-20=4=.2, 21-25=3=.15, 26-30=5=.25
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| show | Most frequent number
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| What is the median? | show 🗑
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| What is mean? | show 🗑
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| Find the mode, median, mean, standard deviation, +1s, -1s, and final answer of 100,90,80,75,20 | show 🗑
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| What is topology | show 🗑
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| What is a node? | show 🗑
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| show | ID of interconted lines.
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| show | ID of which polygons touch each other(shared arcs)
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| show | ID of areas by a set line.
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| Who created the GPS? | show 🗑
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| How many satellites are used for GPS? How many are needed? | show 🗑
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| show | computer-flight and function of satellite, Atomic clock- accurate time, Radio transmitter-signals
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| show | Advantage- quick, disadvantage- less accuate than P code, and can be jammed or spoofed
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| show | more accurate, not difficult to spoof or jam
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| show | control staions
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| show | receieves data
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| approx. position of satellite | show 🗑
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| Precise position of satellite | show 🗑
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| How many satellites for Location? | show 🗑
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| show | 4, lat/long and elevation
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| show | Stored location in receiver.
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| What are WAAS? | show 🗑
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| What is differential GPS? | show 🗑
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| Convert 43degrees 41min 31sec to decimal degrees | show 🗑
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| show | 89degrees 24min 2.32sec
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| Air photo with coordinates | show 🗑
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| show | Digital Elevation Model (DEM)
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| series of vectors | show 🗑
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| topographic map | show 🗑
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| show | ID info, Data quality, Spatial data org, Spatial ref. info, entity and attribute, distribution info, metadata ref. info
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| show | ID info
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| show | Data Quality
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| show | Spatial data org.
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| show | Spatial ref info
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| show | entity and attribute
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| show | Distribution info
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| show | Metadata ref info
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
jrw4274
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