1.  eb(n = noun.quantity) ebit, exabit - a unit of information equal to 1000 petabits or 10^18 bits;
is a kind of computer memory unit
is a part of zb, zbit, zettabit
has parts: pb, pbit, petabit

2.  eb(n = noun.quantity) exabyte - a unit of information equal to 1000 petabytes or 10^18 bytes;
is a kind of computer memory unit
is a part of zb, zettabyte
has parts: pb, petabyte

3.  eb(n = noun.quantity) eib, exabyte, exbibyte - a unit of information equal to 1024 pebibytes or 2^60 bytes;
is a kind of computer memory unit
is a part of zb, zebibyte, zettabyte, zib
has parts: pb, pebibyte, petabyte, pib