Smart cities are not sustainable and liveable.

A grid is a computer network of geographically dispersed and heterogeneous computational resources.

Which one of these is not an area of AI?

1. Computer vision/Image recognition
2. Voice recognition
3. Web design
4. Robotics

"Virtual Reality" is:

1. Where parts of a person's body are used for identification purposes. They are unique.
2. A software environment that recreates a real world or imaginary scenario like a game.
3. The use of computers to encrypt data so that messages can be sent with complete privacy.
4. Where images are made to appear three-dimensional and have 'depth'.