Match the following List-I with List-II and select the correct answer from the codes given below :
List I (Data Input) - List II (Data Capture in GIS)
(a) Maps - (i) Key-coding
(b) Satellite Data - (ii) Scanning
(c) Digital and Tabular Data - (iii) Digitizing
(d) Soft Ideas - (iv) Data transfer
Codes :

Question

Match the following List-I with List-II and select the correct answer from the codes given below : 
List I (Data Input) - List II (Data Capture in GIS)
(a) Maps - (i) Key-coding
(b) Satellite Data - (ii) Scanning
(c) Digital and Tabular Data - (iii) Digitizing
(d) Soft Ideas - (iv) Data transfer
Codes :

Accepted Answer

Here's a detailed explanation justifying why Option 1 is the correct answer and why the other options are incorrect, based on the provided information:

**Justification for Option 1: (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)**

*   **(a) Maps - (iii) Digitizing:** Maps, especially hardcopy maps, are often converted into a digital format for use in GIS through the process of digitizing. Digitizing involves tracing features from the map (e.g., roads, rivers, boundaries) to create vector data. This is a fundamental method for inputting map data into a GIS.

*   **(b) Satellite Data - (ii) Scanning:** While satellite data is already in a digital format, scanning is relevant in the context of data capture because satellite imagery often needs to be pre-processed and enhanced. Scanning, in this context, refers to the process of reading and interpreting the raw data received from the satellite sensors. This can involve geometric correction, radiometric correction, and other image processing techniques to prepare the data for analysis in a GIS. Although "Data transfer" might seem plausible, scanning is a more direct and fundamental step in preparing satellite data for GIS use.

*   **(c) Digital and Tabular Data - (iv) Data transfer:** Digital and tabular data (e.g., spreadsheets, databases) are typically integrated into a GIS through data transfer processes. This involves importing the data into the GIS environment and linking it to spatial features. Data transfer can involve various methods, such as importing CSV files, connecting to databases, or using specialized data conversion tools.

*   **(d) Soft Ideas - (i) Key-coding:** "Soft ideas" in the context of GIS data input can refer to qualitative data, attributes, or classifications that are not directly observable or measurable. These are often captured through key-coding, where specific codes are assigned to different categories or attributes. For example, land use types (residential, commercial, industrial) might be assigned numerical codes for efficient storage and analysis in a GIS.

**Why other options are incorrect:**

*   **Option 2: (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)** This is incorrect because maps are primarily digitized, not scanned. Scanning is more relevant for satellite imagery or documents.

*   **Option 3: (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)** This is incorrect because digital and tabular data are not primarily captured through key-coding. Key-coding is more relevant for assigning codes to qualitative data or attributes. Data transfer is the correct method for integrating digital and tabular data.

*   **Option 4: (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)** This is incorrect because satellite data is not primarily captured through data transfer. While data transfer is involved in moving satellite data, scanning (or pre-processing) is a more fundamental step in preparing the data for GIS use. Digital and tabular data are not captured through scanning.