MP3

Definition: MP3 stands for Moving Picture Experts Group (MPEG)-1 Audio Layer 3. An MP3 is a type of digital audio that is typically used for storing music on the computer. MP3 files are popular because a full length song requires about 1/10 of the space of a normal song, yet the quality of the music relatively the same.

Here's a word you may not know...

kilobyte

A kilobyte describes how much information can be stored on a device. Although the actual numbers are slightly higher, it is easiest to think of 1 kilobyte as 1,000 bytes.

For reference, a small Microsoft Word document typically takes about 25 kilobytes (25 KB) of storage space.