- 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...
-
removing the need for full
optical character recognition or
manual keypunching. The Coleman–Liau
index is
calculated with the
following formula: C L...
-
process Punched card verification, a data
entry step
performed after keypunching on a separate, keyboard-equipped machine, such as the IBM 056 Verifier...
-
devices lacking any pre-processing
capabilities were used. Data
entry using keypunches was
related to the
concept of
batch processing –
there was no immediate...
-
therefore remained in
computer installations in a
supporting role for
keypunching,
reproducing card decks, and printing. 1955: IBM
produces 72.5 million...
-
teller machine (ATM),
Dynamic Random Access Memory (DRAM), the
electronic keypunch, the
financial swap, the
floppy disk, the hard disk drive, the magnetic...
-
access to then-state-of-the-art Tab
Equipment rather than own basis.
Keypunching (a term that long-preceded "data entry") was
often part of what was offered...
- and
Frederick G. Creed. Earlier,
Herman Hollerith developed the
first keypunch devices,
which soon
evolved to
include keys for text and
number entry akin...
-
Racially segregated Negro section of
keypunch operators at the US
Census Bureau...
-
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,...
