Advanced GIS Exam 1 UPDATED ACTUAL Exam Questions and CORRECT Answers
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Course
Advanced GIS
Institution
Advanced GIS
Advanced GIS Exam 1 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
John Snow - CORRECT ANSWER- English Physician, used GIS to locate Cholera
outbreaks by contaminated wells
-GIS on paper maps
Ian McHarg - CORRECT ANSWER- - Grandfather of GIS
in 1969 made popular overlays for analysi...
Advanced GIS Exam 1 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
John Snow - CORRECT ANSWER✔✔- English Physician, used GIS to locate Cholera
outbreaks by contaminated wells 1854-1855
-GIS on paper maps
Ian McHarg - CORRECT ANSWER✔✔- 1920-2001 - Grandfather of GIS
in 1969 made popular overlays for analysis and decision making- no computers
Information System - CORRECT ANSWER✔✔- set process, executed on data to produce
information that is useful for decision making or adding to knowledge
GIS Process - CORRECT ANSWER✔✔- Looking at process flow helps to build
understanding of term
Data Acquisition, data processing, information outout
Data Processing - CORRECT ANSWER✔✔- Preprocessing, data management, Spatial
analysis and manipulation
Spatial analysis and manipulation - CORRECT ANSWER✔✔- distinguishing characteristics
of GIS
Data types - CORRECT ANSWER✔✔- words, numbers (Regular or Integer), dates and
media
specific data type - CORRECT ANSWER✔✔- Word- stored in text
Numbers - short ( 32,768) Long real (2,147,483,563) Float (3.4 E 38) Double (2.2 E 308)
Bit - CORRECT ANSWER✔✔- Smallest piece of information on the computer
Remote Sensing - CORRECT ANSWER✔✔- measures the properties of an object without
directly touching them- satellite, Areal Photos, Sonar, Drones
Wavelengths - CORRECT ANSWER✔✔- Every surface either reflects, absorbs or transmits
Satellites - CORRECT ANSWER✔✔- record strength of reflected light hitting sonar as
numbers
absorb more light = lower number
reflect more light = higher number
bands - CORRECT ANSWER✔✔- each band records a specific color or range of colors
Commonly used Satellites - CORRECT ANSWER✔✔- SPOT, Landsat,IKONOS, MODIS,
AVHRR
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