11/8/00 Front Panel Keys; their Functions and Menus 3-29
data to memory. Essentially the record is
unstored
from
memory.
824 Memory Structure
The memory structure of the 824 is a forward and reverse
linked list. This means that for each type of data there is a
pointer to the first record and a pointer to the last record and
that each record points to the next record and the previous
record. This structure makes the memory very efficient
(compared to fixed sector, file allocation table based mem-
ory structures) and sequencial forward and reverse data
retrieval is very fast. It does not allow us to delete data in the
middle of used memory in a way that would allow it to be
reused.
On the other hand, there is no problem deleting
data from the last to the first.
Deleting the Last Stored
Record
Step 1
To delete the last stored record, press the TOOLS
T
key to access the TOOLS menu. The follow-
ing menu appears:
Step 2
Highlight “Memory” and press the right
r
arrow
key.
Step 3
Highlight “Delete Last” and press the Check
c
key.
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