Font size
WorksheetsGIS UNIT-3 Quiz
Total questions: 20
Worksheet time: 10mins
Data Capture includes
Scanning
Digitizing
Data Transfer
All the above
Scanning automatically captures
overlay
map features
sensors
All the above
Keyboard entry is no longer used in GIS projects.
True
False
The scanner is a heavy device that cannot be moved from one place to another.
True
False
The scanner cannot be used to renew and retouch old photographs digitally.
True
False
flatbed scanner is also known as
Handheld scanner
Light weight scanner
Desktop scanner
Portable scanner
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
How many stages are followed when digitizing a paper map
3
5
7
4
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
Topological Consistenct rules describe
Physical relationship between features
Integral data unity
Consistency
Logical relationship between features
An Open Database Connectivity (ODBC) is an interface that allows applications to access data in database management systems (DBMS) using
Structural language
DML
SQL
All the above
__________________________ loads and unloads ODBC drivers on behalf of an application
Device Manager
JDBC Manager
ODBC Driver Manager
None of the above
The Global Positioning System (GPS) is a U.S.-owned utility that provides users with
positioning
navigation
timing (PNT) services.
All the above
How many satalites are in space for the calculation of GPS?
4
5
95
24
Clock Synchronization is used in GIS
True
False
