- 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...
-
Printer Keyboard IBM 5475 Data
Entry Keyboard IBM 5496 Data Recorder, a
keypunch machine with
print and
verify functions IBM 5486 Card
Sorter Entry models...
-
devices lacking any pre-processing
capabilities were used. Data
entry using keypunches was
related to the
concept of
batch processing –
there was no immediate...
- 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...
- 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...
-
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,...
-
comes from the
utility of two devices:
teleprinters (or teletypes) and
keypunches. It was
through such
devices that
modern computer keyboards inherited...
-
punched cards,
sometimes referred to as "Hollerith cards", he
invented the
keypunch, sorter, and
tabulator unit
record machines.
These inventions were the...
-
Racially segregated Negro section of
keypunch operators at the US
Census Bureau...
- his bail. On June 13, 1979, Jill
Marie Parenteau, a 21-year-old
computer keypunch operator, left work
early to go to a
baseball game. When she did not make...
