List of top Geomatics Questions on Geographic Information System - GIS asked in GATE GE

If a 1:50,000 scale map is digitized to an accuracy of ± 0.5 mm, the level of error that might be expected in ground is ± __________________ m (in integer).
Centroid of a polygon is
The area of a buffer of 50 m around a proposed 1 km straight road segment to restrict any future construction is __________________ sq. m. (in integer). (Take the value of $\pi = 3.14$)
In GIS database, which type of attribute may be used to represent area?
What is attribute uncertainty?
In GIS, __________ triangulation is a proximal method that satisfies the requirement that a circle drawn through the three nodes of a triangle contains no other node.
In GIS, reclassification is performed to