


1/11/00
COM1100
Winter2000 Yuhong Yin Northeastern University
Variable ~ Memory location
nFor each
variable name the program uses, the computer keeps track of the actual memory address
corresponding to that name.
nIn our hotel
room analogy, this is equivalent to putting a name on the door of a room and referring to
the room by this name, such as BLUE room, rather
than using the actual room number.