- A
keypunch is a
device for
precisely punching holes into
stiff paper cards at
specific locations as
determined by keys
struck by a
human operator. Other...
-
computer programs and data. Data can be
entered onto a
punched card
using a
keypunch.
While punched cards are now
obsolete as a
storage medium, as of 2012,...
- in the 1890s
created a
demand for many workers,
typically women, to run
keypunch machines. To
ensure accuracy, data was
often entered twice; the second...
-
teller machine (ATM),
Dynamic Random Access Memory (DRAM), the
electronic keypunch, the
financial swap, the
floppy disk, the hard disk drive, the magnetic...
-
Racially segregated Negro section of
keypunch operators at the US
Census Bureau...
-
devices lacking any pre-processing
capabilities were used. Data
entry using keypunches was
related to the
concept of
batch processing –
there was no immediate...
-
comes from the
utility of two devices:
teleprinters (or teletypes) and
keypunches. It was
through such
devices that
modern computer keyboards inherited...
- then
taken by
keypunch operators, who
using a
keypunch machine such as the IBM 026 (later IBM 029)
punched the deck.
Often another keypunch operator would...
- if she were to
avoid singing professionally, she
would have to
become a
keypunch operator, as she had done a few
years earlier, or a secretary, and then...
-
making them
learn to use a new
input device.[citation needed] Some
early keypunch machines used a
keyboard with 12
labeled keys to
punch the
correct holes...
