Dear,

The correct answer is Terabyte. The memory unit is the amount of data that can be stored in the storage unit. This storage capacity is expressed in terms of Bytes. Bit (Binary Digit): A binary digit is logical 0 and 1 representing a passive or an active state of a component in an electric circuit. 1 TB equals 1,000 gigabytes (GB) or 1,000,000 megabytes (MB).

Hope this helps!