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GIS Terminology


Quiz Questions

1.A position on a visual display unit that can be specified by absolute coordinates is termed as ______________.
Addressable point
Addressable space
2. Making measurements from digitized frames of vertical airvideo images is termed as ________________.
Air-videography
Videography
3.ARIES is an image processing and analysis package developed by DIPIX Technologies. Its features include advanced display and image processing for image analyses.
True
False
4.ASCII is abbreviated as
American Standard Code for Information Interchange
American Standard Code for Intra Interchange
5.Assembly character is a parameter that is associated with a feature of a topographic or other three dimensional surface that tells which direction the surface slopes.
True
False
6.ATLAS GIS is marketed by Strategic Mapping which is a PC-based, non-topological vector GIS, and has interfaces to dBase III or compatible databases.
True
False
7.AVHRR imagery is an acronym to _______________________________________.
Advanced Very High Resolution Radiometer Imagery
Airborne Visible/High infra red Imaging Spectrometer Imagery
8.The number of signal elements sent over a communications line in one second is termed as __________.
Baud rate
Data rate
9.A hardware/software device that permits high-speed communication between two local or remote networks with similar or dissimilar protocols is termed as_____________.
Boot drive (PC)
Bridge
10.______________ is a language, developed by Dennis Ritchie of Bell Laboratories in the late 1960s.
C language
C++ language
11.The art or science of making maps is called _______________________________.
Cartography
Ethno archaeology
12.Choropleth map is a map with areas colored or shaded so that the darkness or lightness of an area symbol is proportional to the density of the mapped phenomenon. More generally known as a map of uniform values separated by abrupt boundaries, that is, adjacent areas are not necessarily close in value.
True
False
13.The term used to re-boot a DOS microcomputer by turning off and turning on again is ___________.
Cold start
Warm start
14.______________________________ is the ability to compare maps representing different time periods, extracting differences or computing indices of change.
Complex generalization
Complex correlation
15.A single map created by joining together several separately digitized or scanned maps is a _______________________.
Composite map
Color map
16.The technique of shading areas on a map with a given pattern of lines or symbols is _________________.
Shading
Cross-hatching
17.A mathematical description of a smooth surface that closely fits the mean sea-level surface for an area of interest is a _______________.
Data
Datum
18.A debugger does not show the logic path and values of registers and variables during execution of a process or program to determine where a failure occurs.
True
False
19.DEM is an acronym for
Digital Elevation Model
Digitally synthesized Extended Model
20.Dirichlet tesselation or cell is a process of splitting up a study area such that all points in the sample area are grouped into tiles according to the minimum distance between them and a set of previously sampled points. It is also known as Thiessen or Voronoi polygons.
True
False
21._________________________ is the placement of hardware processors where needed, instead of concentrating all computing power in a large CPU.
Distributed database
Distributed processing
22.DLG is not an acronym for Digital Line Graph.
True
False
23.A map showing geographic variations in density with dot symbols, each of which usually represents a constant, specific amount of the mapped phenomenon is a ________________________.
Dot-distribution map
Distribution map
24._______________________ is to move an item on the screen by selecting the item and then pressing and holding down the mouse button while moving the mouse.
Drift
Drag
25.A device for converting maps to digital form automatically is called ____________________.
Drum plotter
Drum scanner
26.Easting is a rectangular (x,y) coordinate measurement of distance east from a north-south reference line, usually a meridian used as the axis of origin within a map zone or projection.
True
False
27.__________________________ is a method of converting to machine readable format.
Encoding
Decoding
28.Euclidean distance is the shortest distance joining two points in the plane.
True
False
29.________________ is a device with a flat drawing surface for plotting a graphic image from a list of point coordinates and pen codes.
Flatbed plotter
Film plotter
30.Flow path seed is a graphic design applied to all numerals, symbols, and characters in the alphabet.
True
False
31.GFIS is an acronym for _____________________________.
Geometric Functionalities Information System
Geographic Facilities Information System
32.___________ is a process of determining the maximum rate of change of surface altitude in a DEM.
Gradient filtering
Gradient analysis
33.Graticule is not a network of parallels and meridians on a map or chart.
True
False
34.____________________ is a flow-control, or go-ahead, signal sent by a local computer to a remote computer when working with a communication program.
Reboot
Handshake
35.The heap is the area of a computer’s memory not used by a program’s data and code segments. It is commonly used for storage of dynamic variables. The more RAM the computer has, the larger the heap.
True
False
36.Histogram is a graph of the number of times a value occurs across a range of possible values.
True
False
37.Hypsometric curve is a set of contour lines that do not describe the altitude surface.
True
False
38.INFORMIX is a relational database management system that does not have both menu-driven and command-oriented interfaces, and a SQL-based query language for relational database handling.
True
False
39.Interactive graphics system is a computer system consisting of a central computer (usually minicomputer) and a number of workstations at which an operator can draft maps and drawings interactively.
True
False
40.Isoline is a line connecting points of un-equal value.
True
False
41.A map displaying the distribution of an attribute in terms of lines connecting points of equal value is called a________________.
Isoline map
Contour map
Isopleth map
All the above
None of the above
42.Jaggies is a Jargon term for curved lines that have a stepped or saw-tooth appearance on a display device.
True
False
43.The contents of command interpreting templates are collectively known as a _____________, which is also known as a shell or command shell.
Operating system
Kernel
44.The transmission of information between a computer and a terminal or display device while processing occurs is being in the __________________ state.
Online
Offline
45.A ______________________ is a physical connection between a computer and a peripheral device, such as a printer. It uses a connection that has more than eight wires.
Serial port
Parallel port
46.Seam is the junction in the area of overlap between raster objects combined by tiling or mosaicking.
True
False
47.______________________________ is the characteristic that loci close together are more likely to have similar values than loci that are far apart.
Spatial correlation
Spatial auto covariance
48.Weeding is the ability to clip features in the database to some defined polygon.

True
False
49.____________is a UNIX system variant developed for use on personal computers.
XGA
XENIX
50.Vignetting is darkening at the edges and corners of an optical image. It occurs because lenses are physically unable to pass as much light to the fringe of an optical field as they do to its center.
True
False
51.Tuple is not a set of values of attributes pertaining to a given item in a database.
True
False