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Figure 2-QS.
Core Storage Drive
•
Core magnetized to either of two
polarites, represented as logical 1
or logical O.
•
Logical 1 called bit status, logical
o
called no-bit status.
•
When core changes from bit status to
no-bit status, a pulse is induced
onto the sense winding.
•
•
Changing core to bit status called
writing.
Changing core to no-bit status
called reading.
A magnetic core stores information by
remaining in either of two magnetized
states.
The two states are logical 1
and logical 0, thereby forming a binary
storage device.
The logical 1 state is
called the bit status while the logical
o
is the no-bit status.
2-33
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