first geography test Flashcards
What is a GPS?
Global Positioning System
➢It is a satellite-based system that
provides location data.
What is a GIS?
Geographic Information System
➢Is a computer system designed to gather and
analyze particular kinds of data, make maps
and continue to update information on the
same map as current data is provided.
What is Remote Sensing?
➢Is seeing or measuring something from a considerable distance, often from satellites. ➢Satellites take the pictures of the Earth and sends the results to the ground stations to be analyzed and used.
What is Telematics?
➢Any technology that involves the long-distance
transmission of digital information
➢The word ‘telematics’ is short for:
Telecommunications Informatics
➢Telematics is known as the Internet of Things–a
a network that exists to link machines rather
than people.
Positive Uses of GPS?
portable, fast, allows you to find places easily, accurate, free, efficient planning
Negative uses of GPS?
always tracking you, drains your battery, driving distraction, you can become too dependent on GPS.
What is Ushahidi? (Telematics)
Ushahidi is an open-source platform that crowd sources (sources jobs to large groups) crisis information to provide a real-time picture of the situation.
What are the positive uses of Ushahidi?
quick updates in real-time, a large flow of information, and can get you real-time help.
What are the negative uses of Ushahidi?
It’s easy to spread false information.
What is the Portland Map? (GPS)
The Portland Map is a GIS that gives the citizens of Portland access to information such as crime data, transportation, property information, pipes and utilities, etc.
What are the positive uses of the Portland map?
easily accessible, accurate, gives you locations, free, variety of way to interpret information, accomadations
What is PDX Reporter? (Telematics)
PDX reporter is a app that anyone can install that allows citizens to report problems (like graffiti) and get it fixed in real time.
What are the positive uses of PDX Reporter?
identifies problems in real time, gives reporters validation for what they’re doing, keeps communities safer.
What are the negative uses of PDX Reporter?
Easy to spread false information and waste time.
What is Li-Dar? (GIS)
Li-Dar (Light Detection and Ranging) is a remote sensing system that uses pulsed laser light to capture the exact location or shape of a distant object in 3 dimensions.
