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A keyboard machine used to punch holes in cards or tapes for data-processing systems.
intr. & tr.v. key·punched, key·punch·ing, key·punch·es
To process on or use such a keyboard machine.

key′punch′er n.


1. a machine, operated by a keyboard, for coding information by punching holes in cards or paper tape in specified patterns.
2. to punch holes in (a punch card or paper tape) using a keypunch.
3. to insert (data) into a computer by means of a keypunch.
key′punch`er, n.
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References in periodicals archive ?
TFS is a manually-driven system as most processes other than the automated tuition billing must be keypunched to update the system.
Using a Fortran code that I wrote, the prospect's data was keypunched on paper tape overnight.
Business-to-business transactions and business-to-government transactions, which once were completed painstakingly in a handwritten or keypunched format, now are being processed by computers and passed between the interested parties over the Internet using EDI.
We wanted to create an online form for the time-off requests that got filled out by the employee and went straight into the system, instead of sending over a form to be keypunched when someone was requesting a day off.
Receiving/order-entry errors means that a test was not keypunched or the wrong test was entered.
I wanted to check out a course because I heard that not only did you not have to do keypunched cards, but there were actually computers--Texas Instruments "Silent 700s"-you could take home.
Berkeley's Evans Hall, where we keypunched the information and prayed that the huge mainframe computers would cooperate.
Because corporate and affiliate accounting systems often ran on different software, "they spent a lot of time highlighting data to be keypunched and clarifying information over the phone.
Each of those documents has to be batched, prepared with account codes and keypunched into the accounts payable system.
For example, he explains, for years Motorola's nonexempt employees filled out time cards, which had to be keypunched into the accounting system's payroll system.
When I began programming, I wrote on coding sheets, which were keypunched, verified and taken to the machine by operators.