Lecture

Question 1

What is GIS

Answer 1

Geographic Information System

Question 2

computerized mapping software

Answer 2

GIS

Question 2

computerized database management system for capture, storage, retrieval, manipulation, analysis and display of spatial data.

Answer 2

GIS

Question 3

It allows you to overlay datasets and query them in terms of their spatial relation to each other.

Answer 3

GIS

Question 4

System of computer hardware, computer software and geographical data.

Answer 4

GIS

Question 5

Give the benefits of GIS

Answer 5

1. Improved information sharing and flows
2. Better informed decision making
   3.Stronger competitive ability
3. Greater analysis and understanding of the problems
4. Sound justification for decisions made
5. Enormous time savings
6. Faster and up to date information

Question 6

What are the three basic types of GIS applications?

Answer 6

1. Inventory application
2. Analysis application
3. Management application

Question 7

GIS Applications

Answer 7

Agriculture
Forestry
Wildlife
Archaeology
Geology and management
Socio-economic/ Goverment

Question 8

What does the GIS provides to foresters and nr managers?

Answer 8

Powerful tools for better analysis and decision making

Question 9

GIS applications in Forestry

Answer 9

Timber assessment and management
Pest management
Environmental Impact assessment
Harvest scheduling and planning

Question 10

A GIS links ________ and ________ data such as _______ and _______ data, which allows you to do predictive modelling for planning and compliance purposes

Answer 10

geographic, attribute, lab, field

Question 11

Components of GIS

Answer 11

Software
Hardware
Data
People
Methods

Question 12

It is the physical framework on which the systems operates.

Answer 12

Hardware

Question 13

Its capabilities affects the processing speed, ease of use, and the type of output available.

Answer 13

Hardware

Question 14

The various computer programs that provide the functions and tools needed to store, analyze, and display geographic information

Answer 14

GIS Software

Question 15

Samples of GIS Software

Answer 15

ArcView
ArcGIS
QGIS
IDRISI (TerrSet)

Question 16

What are the functions provided by GIS Software?

Answer 16

Data entry
Editing
Data management
Analysis
Output

Question 17

It is the well designed plans or management frameworks that are fallowed in the operation of the GIS

Answer 17

Methods

Question 18

Models and operating practices which is unique and are mainly based on the objectives set by the diff. organizations

Answer 18

Methods

Question 19

A successful GIS operates according to a ________ _____ ______ which are the models and operating practices unique to each organization

Answer 19

well designed plan

Question 20

1. Data input
   2.
   3.
2. Data output

Answer 20

2.Data management
3.Data analysis

Question 21

Most important component in a GIS.

Answer 21

People

Question 22

People must ________ the _______ and ________ the _____ of the GIS.

Answer 22

Develop the procedure, define the task

Question 23

The most expensive component in GIS

Answer 23

Data

Question 24

A combination of graphic and tabular data

Answer 24

Data

Question 25

2 Types of GIS Data

Answer 25

1. Geometry data 2. Attribute data

Question 26

It provides the descriptive characteristics of the geographic features

Answer 26

Attribute Data

Question 27

GIS digitally models the real world using:

Answer 27

1.Data table 2. Types of geometry 3. Cells in an image

Question 28

Types of geometry data

Answer 28

Raster data Vector data

Question 29

A digital data that have been captured as points, lines or areas

Answer 29

Vector data

Question 30

Type or geometry data with discrete features

Answer 30

Vector data

Question 31

Data based on pixel

Answer 31

Raster data

Question 32

What is the fundamental unit if a raster?

Answer 32

PIXEL

Question 33

A continuous data with fixed resolution

Answer 33

Raster data

Question 34

The data structures are presented in a grid or pixel that is referenced to some coordinate system

Answer 34

Raster data

Question 35

Raster data formats

Answer 35

TIFF BMP ENVI BIL BIP GIF GRID IMAGINE Image JP2 JPG PNG

Question 36

Vector data formats

Answer 36

shp shx dbf prj sbn shp.xml

Question 37

Examples of raster data

Answer 37

Air photos Scanned maps Elevation layers

Question 38

Each cell has discrete _________ assigned to it

Answer 38

Attributes

Question 39

It requires less processing but consumes more computer storage space

Answer 39

Raster data

Question 40

What format does remote sensors on satellites store data?

Answer 40

Raster data

Question 41

DTM

Answer 41

Digital terrain model

Question 42

DEM

Answer 42

Digital elevation model

Question 43

The details in pixels of an image

Answer 43

Spatial resolution

Question 44

It is the length of each side of a square pixel

Answer 44

Spatial resolution

Question 45

The back end database of spatial data

Answer 45

Attribute data

Question 46

The information linked to the geographic features in a GIS, usually stored in a table

Answer 46

Attribute data

Question 47

Attribute data are the ________________ associated with a point, line, or area in elements in a GIS

Answer 47

non-graphic information

Question 48

Matrix of rows and columns

Answer 48

Data tables

Question 49

Rows

Answer 49

Records

Question 50

Columns

Answer 50

Fields

Question 51

Types of attribute data

Answer 51

Categorical data Numeric data

Question 52

A type of categorical data that deals with class or categories

Answer 52

Nominal data

Question 53

A type of categorical data that deals with ranking information

Answer 53

Ordinal Data

Question 54

A type of numerical data that deals with numerical values

Answer 54

Ratio data

Question 55

A type of numerical data that deals with ranges of numerical values

Answer 55

Interval data

Question 56

GIS Tasks

Answer 56

Input Manipulation Management Proximity analysis Query and analysis Overlay analysis

Question 57

A task where before geographic data can be used in GIS the data must be converted into a suitable digital format

Answer 57

INPUT

Question 58

Data will be transformed in some way to make them compatible with you system

Answer 58

MANIPULATION

Question 59

Best used as an database management system to help restore, organize and manage data

Answer 59

MANAGEMENT

Question 60

Once you have functioning GIS containing you geo info, you can begin to ask simple questions.

Answer 60

Query and anlaysis

Question 61

The integration of different data layers involves a process called

Answer 61

Overlay

Question 62

A visual operation but analytical operations require one or more data layers to be joined physically

Answer 62

Overlay analysis

Question 63

A GIS task that have the results of visualized map or graph.

Answer 63

Visualization

Question 64

Maps are very efficient at __________ and ___________ geographic Information

Answer 64

storing, communicating

Question 65

A cross platform free and open source desktop GIS

Answer 65

Quantum GIS

Question 66

Your most often used set of tools can be turned into ___________ for basic access

Answer 66

Toolbars

Question 67

It is where the map itself is displayed

Answer 67

The Map Canvass

Question 68

Shows you information about the current map and allows you to adjust the map scale

Answer 68

The status bar

Question 69

It can be drawn using one symbol, or unique symbol for each feature or feature class

Answer 69

Layer

Question 70

Other term for table of content

Answer 70

Layer list table

Question 71

Data in QGIS are called

Answer 71

Layers

Question 72

It represents a distinct set of geographic features in a particular geographic data source

Answer 72

Layer

Question 73

What is shown in the table of contents?

Answer 73

1. Name of the layer 2. Legend of layer 3. ON or off 4. Order 5. Active or not 6. Editable

Question 74

It shows the symbols and colors used to draw the layer

Answer 74

Layers legend