Geographic Information System (GIS)**

Gbogbo ọrọ náà

Geographic Information System (GIS) is a powerful tool that integrates geographical data to provide a better understanding of spatial patterns and relationships. On this journey to explore GIS, we will delve into the basic concepts, components, sources of data, diverse uses, and associated problems with the implementation of GIS.

Understanding the **basic concepts of GIS** is the foundation of using this technology effectively. GIS allows us to capture, store, analyze, and visualize geographical data, enabling us to make informed decisions based on spatial relationships. It is crucial to grasp how GIS operates as a system that connects various components seamlessly.

**Identifying the components of GIS** is essential in comprehending how this system functions. These components include hardware, software, data, procedures, and experts. Hardware comprises the physical devices like GPS receivers and computers, while software consists of applications like ArcGIS and QGIS that process geographic data.

**Explaining the sources of data used in GIS** gives us insight into where the information comes from. Data in GIS can be sourced from land surveying, remote sensing, map digitizing, map scanning, field investigation, and tabular data. Each data source provides unique information that contributes to a comprehensive spatial database.

**Discussing the diverse uses of GIS** sheds light on the wide array of applications in various sectors. GIS is employed in defense for strategic planning, in agriculture for precision farming, in urban development for city planning, in mapping for spatial representation, in surveying for precise measurements, in transportation for route optimization, and in census for demographic analysis.

**Analyzing the problems associated with GIS implementation** is crucial for understanding the challenges faced in utilizing this technology. These problems may include constraints such as lack of power supply for running GIS systems, inadequate personnel trained in GIS operations, and limited capital investment for acquiring necessary hardware and software.

Ebumnobi

  1. Identify the components of GIS including hardware, software, data, procedures, and experts
  2. Understand the basic concepts of Geographic Information System (GIS)
  3. Explain the sources of data used in GIS such as land surveying, remote sensing, map digitizing, map scanning, field investigation, and tabular data
  4. Discuss the diverse uses of GIS in various sectors including defence, agriculture, urban development, mapping, surveying, transportation, and census
  5. Analyze the problems associated with GIS implementation such as power, personnel, and capital constraints

Akọmọ Ojú-ẹkọ

Avaliableghị

Ayẹwo Ẹkọ

Ekele diri gi maka imecha ihe karịrị na Geographic Information System (GIS)**. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.

Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.

Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.

  1. What are the components of Geographic Information System (GIS)? A. Software, hardware, people, capital B. Hardware, software, data, procedures C. Land surveying, remote sensing, transportation, census D. GIS, GPS, RS, LS Answer: B. Hardware, software, data, procedures
  2. Which of the following is NOT a source of data used in GIS? A. Remote sensing B. Field investigation C. Map digitizing D. Weather forecasting Answer: D. Weather forecasting
  3. In which sector is GIS commonly used? A. Entertainment B. Education C. Agriculture D. Food industry Answer: C. Agriculture
  4. What does GIS stand for? A. Global Internet Services B. Geographic Information System C. Geological Information Software D. Graphical Imaging System Answer: B. Geographic Information System
  5. What is one of the problems associated with GIS implementation? A. Excessive data availability B. Lack of power C. Abundant personnel D. Accessible capital Answer: B. Lack of power

Àwọn Ìwé Tó Dáa Láti Kà

Geographic Information Systems and Science
Geographic Information Systems and Science
Ìkọ̀wé-àbáojú: Fourth Edition
Onkọwe atẹjade: Wiley
Afọ: 2018
ISBN: 978-1118722052
GIS Fundamentals: A First Text on Geographic Information Systems
GIS Fundamentals: A First Text on Geographic Information Systems
Ìkọ̀wé-àbáojú: Sixth Edition
Onkọwe atẹjade: Eider Press
Afọ: 2018
ISBN: 978-1609188509

Àwọn Ìbéèrè Tó Ti Kọjá

Nna, you dey wonder how past questions for this topic be? Here be some questions about Geographic Information System (GIS)** from previous years.

JAMB UTME - Geography - 2023

Ajụjụ 1 Ripọtì

Which of the following sources of power supply is renewable?

Wo Idahun
WAEC SSCE - Geography - 2022

Ajụjụ 1 Ripọtì

(a) Draw a sketch map of Nigeria. On the map, locate and name: (i) Apapa seaport: (ii) Kainji dam, (iii) Abuja.
(b) Highlight four benefits derived from the Hydro-Electric Power projects in Nigeria. (c) Explain three advantages of seaports in Nigeria.

Wo Idahun