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Punch card
Meaning
Noun
●
A
card
that can have
holes
or
notches
cut in
it, especially one for
storing
data
, that can be
sorted
according to
combinations
of
holes
present or absent.
●
In Computing:
A
card
that can have
holes
or
notches
cut in
it, especially one for
storing
data
, that can be
sorted
according to
combinations
of
holes
present or absent.
Such a
card
, the
size
of a US
dollar bill
and having 80
columns
of 12
rows
, used in early
mainframe
computers.
●
A
card
given to
a customer and
punched
with a
hole
at each
purchase
,
allowing
a
reward
to be
claimed
when
fully
punched
.
Sourced from
Wiktionary
Synonyms
Punched Card
Index Card
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