Memory sizes

Bit

Short for binary digit, the smallest unit of memory on a machine.


Nibble:

Half of an eight-bit byte - four bits.

Byte:

A byte is equal to 8 bits.

Kilobyte:

A kilobyte is 1,024 bytes

Megabyte:

When used to describe data storage, 1,048,576 bytes. Megabyte is frequently abbreviated as MB.










Gigabyte:

One gigabyte is equal to 1,024 megabytes. Gigabyte is often abbreviated as GB.

Terabyte:

This is approximately 1 trillion bytes. Terabyte is abbreviated as TB.


bit= binary digit 1 or 0
nibble= 4 bits
byte= 8 bits
kilobyte= 1024 bytes
megabyte= 1024 kilobyte
gigabyte= 1024 megabyte
terabyte=s 1024 gigabyte