GIS

Which of the following is not a hardware component of GIS?

• A computer screen

• GPS coordinates

• A plotter

• A scanner

Select all the examples of line data shown in the image.

• Arterial Route

• Contour Line

• Telephone Line

• Row of trees

Spatial data is ...

• data that describes the shape and location on an entity.

• data that describes the characteristics of an entity.

A disadvantage of secondary data is...

• that it takes time to collect.

• that it is expensive to obtain.

• that map projections may differ.

The spacial resolution of an image is low if...

• the image is clear and detailed.

• the image is unclear and lacks detail.

An orthophoto is an example of ...

• raster data

• vector data

The conventional sign for cultivated land on a topographic map is an example of ...

• point data

• line data

• polygon data

Vector data is easier to store on a computer as it takes less file space.

• TRUE

• FALSE

The range of wavelengths a device is able to capture is called the ...

• temporal resolution

• spatial resolution

• spectral resolution

A black and white image is considered to have a ______ spectral resolution.

• high

• low