The main cause of Global Warming is:

The blue whale is the largest reptile

The toad is a form of the following:

elephants have a very poor memory

The horn of a rhino is made up of hair

Any component of the computer you can see and touch:

Devices that enter information and let's you communicate with the computer:

An electronic device, operating under the control of information, that can accept data, process the data, produce output and store the results for future use:

Data or information used to run the computer:

Located in the tower, it communicates with other devices to perform tasks. It's the "heart" of the computer.

Devices that store information, and the computer uses the information to perform tasks:

Alt+A+V+V is for DAta validation?