Definitions

1. noun

a unit of digital information equal to one billion bytes, used especially to measure the capacity of computer memory or storage devices.

“The new smartphone comes with 128 gigabytes of internal storage.”

2. noun

a unit of digital information equal to one billion bytes, used especially to measure the capacity of computer files or data.

“The software update requires 500 megabytes to 1 gigabyte of free space.”