A system of encoding text in computing widely used on the internet.

How many samples of data are taken per second. This is normally measured in hertz, eg an audio file usually…

Picture element – a single dot of colour in a digital bitmap image or on a computer screen.

A form of compression that reduces digital file sizes by removing data.

A form of compression that encodes digital files without losing detail. Files can also be restored to their uncompressed quality.

A number system using 16 symbols from 0-9 and A-F, also known as base 16 and hex.

The number system most commonly used by people. It contains 10 unique digits 0 to 9. Also known as decimal…

A method of reducing file sizes, particularly in digital media such as photos, audio and video.

The amount of bits available for colours in an image.

A table of data that links a character to a number. This allows the computer system to convert text into…