(1) Refers to a
user's view of the way
data or
systems are organized. The opposite of logical is
physical, which refers to the real organization of a system. For example, a logical description of a
file is that it is a collection of data
stored together. This is the way files appear to users. Physically, however, a single file can be divided into many pieces scattered across a
disk.
(2) Refers to any Boolean logic operation.
