Raster and Vector Data (Grade 11 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does raster data consist of?
What does raster data consist of?
Pixels storing measured values
What typically generates raster data?
What typically generates raster data?
Satellite sensors & airborne equipment
What is the trade-off with smaller pixels in raster data?
What is the trade-off with smaller pixels in raster data?
More detail but require more memory
What type of raster data is a Digital Elevation Model (DEM)?
What type of raster data is a Digital Elevation Model (DEM)?
Single-band
How many bands does a colour aerial photograph typically have?
How many bands does a colour aerial photograph typically have?
Three bands (red, green, blue)
What does vector data use to represent geographic features?
What does vector data use to represent geographic features?
Coordinates & geometric shapes
Which are examples of point vector features?
Which are examples of point vector features?
Weather stations & cities
What must polygon coordinates do to complete the shape?
What must polygon coordinates do to complete the shape?
Connect back to the starting point
What do vector features combine?
What do vector features combine?
Geometry with descriptive attributes
What makes spatial objects the most advanced vector data type?
What makes spatial objects the most advanced vector data type?
They add intelligent behaviour