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WorksheetsGIS Revision Unit I & II
Total questions: 45
Worksheet time: 1hrs 5mins
What is meant by Geographic Information System?
What is meant by Coordinate System?
List few applications of GIS.
Compare Projected coordinate system and Geographic coordinate system.
List few open source GIS softwares.
List few proprietary GIS softwares.
What are the different levels of measurements?
What is meant by spatial data?
What is the purpose of ER diagram?
What is meant by OGC?
List few standards given by Open Geospatial Consortium.
Compare vector data model and raster data model.
What is meant by TIN?
How attribute data was linked with spatial data?
What is meant by digital elevation model?
What divides the earth into the eastern and the western hemispheres?
Equator
Prime Meridian
82° 30′ E
None of the above
How is a large city most likely to be represented on a 1:25,000 scale map?
As a collection of points
As a line
As a single point.
As a area
The scale of world map is
1:100,000,000
1:5,00,000
1:10000
1:25000
Imaginary lines that run from the north pole to the south pole are.
lines of latitude
time zones
lines of longitude
parallels
Imaginary lines that circle the earth parallel to the equator are...
longitude lines
meridians
latitude lines
degrees
_______ degrees north latitude marks the North Pole.
120
270
90
180
_______ degrees south latitude marks the South pole.
120
270
90
180
School administrators sponsor a study of bullying on elementary school playgrounds. Trained observers record the number of incidents of aggression that occur during consecutive 10-minute periods. Aggression is measured on which of the following scales of measurement?
Nominal
Interval
Ordinal
Approximately interval
Your local police force wants to install cameras that can "catch" drivers who run red lights. They choose a busy intersection, install a test camera, and determine whether each car stops safely or "runs" the light. Choose the correct scale of measurement.
Ratio
Approximately interval
Interval
Nominal
Ordinal
Attribute data are one type of spatial data.
True
False
Hardware is not an essential part of GIS.
True
False
Data that describe the characteristics of spatial features.
Coverage
Data Exploration
Geospatial data
Attribute data
A computer system for capturing, storing, querying, analyzing, and displaying geographically referenced data.
GPS
MIS
GIS
DSS
A type of map projection that retains certain accurate directions.
Conformal projection
Central lines
Cylindrical projection
Azimuthal projection
The process of transforming the spatial relationship of features on the Earth's surface to a flat map.
Intersection
Projection
Rotation
Translation
A _________________ is a set of regularity spaced (and contiguous) cells with associated (field) values. The associated values represent cell values, not point values. This means that the value for a cell is assumed to valid for all locations within the cell
Crystal
Raster
Vector
Polygon
Which of the following is true
Tessellations partition the study space into cells & assign a value to each cell
A raster is a regular tessellation with square cells (by far the most commonly used)
Both '1' & '2'
None of the above
A GIS package cannot be called full-fledged if the following capabilities are missing
Data capture and preparation
Data storage
Data analysis
Presentation of spatial data
All the above
What is meant by the term 'data quality'?
The generalization present in the source data.
The resolution of the data.
The inherent quality of the data as characterized by its accuracy, precision, bias, level of error, etc
The lineage of the data.
Vector data is usually
Continuous
Discrete
Analogue
Binary
By ‘spatial data’ we mean data that has
Complex values
Decimal values
Positional values
Graphic values
SDI stands for
Spatial Data Interface
Spatial Data Infrastructure
Spatial Data Intention
Spatial Data International
For the above entity, which of the following chain encoding solutions is correct?
4,6 S 3, W 1, N 1, W 1, N 1, E 2
4,6 N 4, E 1, S 2, E 1, S 1, W 2
4,6 1 W 3, E 1, S 1, E 1, S 1, N 2
4,6 1 N 3, E 1, S 1, E 1, S 1, W 2
What type of compression it is?
Run length encoding
Block Coding
Chain coding
None of the above
What type of compression it is?
Run length encoding
Block coding
Chain Coding
None of the above
What type of join can be preferred to list all the employees who belong to some department and also the employees who doesn’t belong to any department.
Inner join
Left outer join
Right outer join
Cross join
Accuracy is the degree of closeness of a measured or calculated quantity to its actual value and precision refers to the degree to which further measurements or calculations show the same or similar results. Identify the level of accuracy and precession in the given example.
High accuracy & High precision
Low accuracy & High precision
Low accuracy & Low precision
High accuracy & Low precision
Accuracy is the degree of closeness of a measured or calculated quantity to its actual value and precision refers to the degree to which further measurements or calculations show the same or similar results. Identify the level of accuracy and precession in the given example.
High accuracy & High precision
Low accuracy & High precision
Low accuracy & Low precision
High accuracy & Low Precision
An entity set that does not have sufficient attributes to form a primary key is termed a __________
Strong entity set
Variant set
Weak entity set
Variable set
