UNIVERSITY EXAMINATIONS: 2017/2018
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN
INFORMATION TECHNOLOGY
BIT2307 GEOGRAPHICAL INFORMATION SYSTEMS
FULL TIME/PART TIME/DISTANCE LEARNING
DATE: DECEMBER, 2018 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.
QUESTION ONE 30 MARKS
a) Define the term GIS 4Marks
GIS is any computerized information system that is designed to store, manipulate, retrieve,
analyze, and display spatially referenced data.
b) Discuss briefly the history of GIS between 1960 to 2000 8 Marks
c) What is the difference between automated cartography, CAD, and GIS 6 Marks
d) What is the difference between GIS and LIS 6 Marks
e) List four of the advantages of GIS 6 Marks
QUESTION TWO 20 MARKS
a) List the main components of GIS 5 Marks
b)
i) Discuss briefly Data “Information” as one component of GIS 3 Marks
ii) Discuss briefly “People” as one component of GIS 3 Marks
iii) Discuss briefly “Hardware” as one component of GIS 3 Marks
Iv) Discuss briefly “Software” as one component of GIS 3 Marks
c) Discuss briefly the impact of the internet on GIS 3 Marks
QUESTION THREE 20 MARKS
a) List Five common GIS web sites today. 5 Marks
b) List five areas of GIS Application 8 Marks
c) Discuss briefly the GIS functions 7 Marks
QUESTION FOUR 20 MARKS
a) Compare between Raster and Vector Model for representing geographic features; illustrate by
figures 10 Marks
b) Describe four Key components of ‘spatial data’ quality. 5 Marks
c) Describe three characteristics Successful spatial analysis needs 5 Marks
QUESTIONS FIVE 20 MARKS
a) Describe the temporal dimension’ s used in GIS 6 Marks
b) Describe three characteristics of a field in GIS database 6 Marks
c) A GIS package is full-fledged if it has some key characteristics. Explain four of them.
8 Marks
