Binary – A piece of code that uses just two numbers, 0 and 1.  01010100 01101000 01101001 01110011 00100000 01101001 01110011 00100000 01100001 01101110 00100000 01100101 01111000 01100001 01101101 01110000 01101100 01100101

Data- A piece of information.

DPI- Dots per Inch, for example a computer screen

Megapixel- Used to determine how good a picture/image quality is .One mega pixel is exactly 1,048,576 (220) pixels.

Pixel- a extremely small dot of a certain coloured light, many of these make a picture.

URL- (Uniform Resource Identifier) A stream of letters, / and numbers. This is the “link” to a certain website on the internet.