What Is a Geographic Information System (GIS)

question 29

Multiple Choice

What is a geographic information system (GIS) ?

• A) A device that determines current latitude, longitude, speed, and direction of movement
• B) Designed to work with information that can be shown on a map
• C) Contains a microchip and an antenna, and typically work by transmitting a serial number via radio waves to an electronic reader, which confirms the identity of a person or object bearing the tag
• D) Commonly used to transmit network signals over great distances

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Definitions:

Implicit Type Cast

Automatic conversion of a value from one data type to another by the compiler.

Explicit Type Cast

A manual operation performed by the programmer to convert a variable from one data type to another. It's typically used when automatic type conversion is not possible or might lead to data loss.

Applications

In computing, applications refer to software programs designed to assist users in performing specific tasks.

Applets

Small Java applications that can be embedded in web pages to provide dynamic and interactive features.