A tiny piece of computer data is a byte.
1 kilobyte
= 1,000 bytes
A plain text email message can be
about 5 KB (kilobytes).
1 megabyte
= 1 million bytes
An audio recording
of a song can be
about 5 MB (megabytes).
1 gigabyte
= 1 billion bytes
A 20-minute,
high-definition
video recording
can be about 1.5 GB (gigabytes).