WorksheetsGIS MTT
Total questions: 80
Worksheet time: 2hrs 30mins
A pseudonode is a node which can be removed from a vector dataset without affecting the topology.
True
False
The node (2) in the above topology can be called as
Pseudo node
Arc node
Dangle node
Polygon node
What topology rule can be applied for removing the errors (Red colored region).
Must not have gaps
Boundary must be covered by
Contains point
Must not overlap
What rule can be applied to remove the error in the above spatial data?
Must not overlap
Must not have gaps
Must not overlap with
Must be covered by
What rule can be applied to remove the errors in the above spatial data?
Point must be covered by line
Point must be covered by boundary of
Must be coincident with
Point must be coincident
What rule can be applied to remove the error in the above spatial data?
Must not overlap
Must not self overlap
Must not intersect
Must not self intersect
Which of the following is not a hardware component of GIS?
A computer screen
GPS coordinates
A plotter
A scanner
Spatial data is ...
data that describes the shape and location on an entity.
data that describes the characteristics of an entity.
How is a globe more accurate than a map?
a globe is a 3 dimensional model of the Earth, but a map is flat
a globe can show streets and roads, but a map cannot
a globe can show all of the continents at once, but a map cannot
a globe can be used to navigate from one town to another, but a map cannot
A visual representation of an area
globe
map
aerial photograph
GPS
Why does distortion occur on every map?
Cartographers are politically biased.
GIS technology encourages errors.
The 3D world cannot be accurately converted to 2D
What is the name of this projection?
Polar Projection
Peters Projection
Robinson Projection
Winkel Triple Projection
Where is the area with the greatest distortion on this projection?
in the center
at the North pole
near the equator
at the South Pole
What is this projection called?
Gall-Peters Projection
Mercator Projection
Winkel Tripel Projection
Robinson Projection
What are the characteristics of Road?
Time, work
length, name, speed limit, and direction
Bridges, Maintenance work
Survey by civil engineer
The first operational GIS is developed by
David Harvey
Halford Mackinder
William Morris Davis
Roger Tomlinson
Which of the statement is / are correct?
Latitude: the angle north or south of the equatorial plane
Longitude: the angle east or west of the equatorial plane
Longitude: the angle east or west from the prime meridian
Latitude: the angle north or south from the prime meridian
By 'spatial data', we mean data that has
Complex values
Positional values
Graphic values
Decimal values
Data represented as points, lines, and polygons are of what type of data?
Continuous data
Image data
Feature data
Raster data
Maps that show elevation contour lines as well as geographic feature data are called
Topographic maps
Climate maps
Shaded relief maps
Road maps
The graphical key used on maps that lists the entity representations is called the
Attribute
Reference
Legend
Scale
How a mapped area relates to the area of the Earth it represents is called the
Attributes
Cartography
Entities
Map Scale
Methods used so that every point on the surface of the Earth can be designated as an X, Y location on a grid are called
Coordinate systems
Map scales
Remote Sensing
Systems analysis
Maps that plot a relatively small geographic area and provide more feature detail are
Big maps
Large scale maps
Road maps
Small scale maps
How the raster data are made of
Images
Maps
Grid cells
None of the above
Digitizing in GIS is the process of converting geographic data either from a hardcopy or a scanned image into
Simple image
Raster data
vector data
Complex data
Topology means
set of rules that defines how point, line and polygon features share coincident geometry
set of rules that defines how map projection features share geometry
set of rules that defines how point, line and polygon features share adjacent matrix
set of rules that defines how data coincides
Topological concepts include
Network, Connectivity, Containment
Area definition
Adjacency, Connectivity, Containment
Contiguity
Connectivity is defined as
Edge node topology
Arc node topology
Cross node topology
Geometry
Greenwich was chosen because the Prime Meridian (the line of ___° Longitude) runs through Greenwich.
0
60
120
180
A prime meridian is the meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be ____°.
0
60
90
180
Mapmakers use the process of map projection to convert lines on a round surface to a flat one. There are certain characteristics of the map that will be distorted, such as shape, _______, distance and direction.
size
height
width
depth
Longitude line are going ________
horizontal
vertical
east to west
north to south
The line that divides the earth into the northern hemisphere and the southern hemisphere is called the _______
meridian
equator
median
splitter
Applications of GIS
disaster management
Telecom and Network Services
Environmental Impact Analysis
All the Above
None of the above
Once you open a scanned map in your ArcGIS, what type of data is that?
raster data
vector data
camera data
matrix data
True or false: Globes show more detail and are easier to transport than maps are.
True
False
True or false: All world map projections create distorted images of the Earth to some degree. These distortions relate to size, shape, direction, and distance.
True
False
A component of an ArcGIS project that displays data about map features in tabular form is called a
Attribute Table
Layout
Project
View
The ArcGIS program that allows you to preview and create new data files is called
ArcCatalog
ArcMap
ArcToolbox
ArcGeography
Data represented as points, lines, and polygons are of what type of data?
Continuous data
Feature data
Image data
Raster data
Why is it difficult to project the Earth onto a flat surface?
it distorts the sizes and shapes of the landmasses
the technology to do so does not exist
it cuts the Earth into 2 hemispheres
it's actually not the difficult
This is a Mercator projection map. Why is this map projection not be the greatest to use when determining land size?
Places at the poles, like Greenland and Antarctica, are extremely distorted in their size, appearing larger than they really are.
Africa appears too large on this map.
All the continents are smaller than they actually are.
Places by the equator are highly distorted and appear much larger than they really are.
Which one is a road map?
Longitude lines run___
Vertically
Horizontally
Diagonally
What is the equator?
The line that divides the earth into 4 equal parts.
The line that runs diagonally across the earth.
The imaginary line that splits the earth into two parts.
How many latitude lines are north of the equator?
0
180
90
What is the approximate location of letter B?
80oN, 0o
0o, 80oW
80oS, 0o
0o, 80oE
What is the approximate location of G?
100oW, 40oN
40oN, 100oW
40oS, 100oW
40oN, 100oE
120°W, 45°N
What is the decimal degree of 130° 54' 38''N?
(a)
Pass the following number into degrees, minutes and seconds. -45.678
(a)
Below are the components of GIS, EXCEPT?
Data and Method.
Money.
Hardware and Software
People.
GIS should be able to answer five generic questions, EXCEPT?
Where is the nearest petrol pump from AEON Ayer Keroh?
What types of agricultural crops can we plant on this land?
What has been developed and the rate of progress of Melaka International Trade Centre for the past 10 years?
Why do many Malaysian suffer from Obesity?
Spatial data models are categorised into
Raster and Vector
Spatial and Attributes
Point, Line and Polygon
Shapefiles and Geodatabase
Attribute data, describes
the absolute and relative location of geographic features.
the location and shape of geographic features.
The characteristics of the spatial features that may be quantitative and/or qualitative in nature and are often referred to as tabular data.
continuous numeric values, such as elevation, and continuous categories, such as vegetation types
____________ relate to geometric inaccuracies of spatial features e.g. missing polygons or distorted line
Location errors
Systematic errors
Topological errors
Reporting errors
_____________ is a mathematical approach that allows us to structure data based on the principles of feature adjacency and feature connectivity. It is in fact the mathematical method used to define spatial relationships.
Vector Data
Topology
Topographic
Spatial Data
Data capture can be divided into two. Primary data capture technique and secondary data capture technique. Primary data capture techniques consist of following, EXCEPT: -
Remote Sensing
Land Surveying
Engineering Survey
Vectorizations
All of the following are the causes of digitizing errors, except:
errors in scanning and tracing
Inaccuracies of attribute data
human errors in manual digitizing
errors in converting the digitized map into real-world coordinates
_________________ error happen when logical inconsistencies exist between spatial features
Location
Nontopological
Scanning
Topological
Arrange the correct process when conducting editing using topological rules.
I. Validation of topology
II. Defining the participating feature classes in a feature dataset, the ranks for each feature class, the topology rule(s), and a cluster tolerance.
III. Fixing topology errors
IV. Create topology
IV, I, II, III
IV, II, III, I
IV, II, I, III
IV, I, III, II
The figure above is one of topological error, which is?
Pseudo nodes
Dangling nodes
Overlapping line
Unclosed polygon
Which of the following is not a hardware component of GIS?
A computer screen
GPS coordinates
A plotter
A scanner
What are the important aspects of a map that has to be considered when making one?
Resolution or scale
Data; its distribution and attributes
Colors and symbols
Contextual elements; legends, source citation, title...
Graphs and charts
