enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Punchcutting - Wikipedia

   en.wikipedia.org/wiki/Punchcutting

   A punch (left) and the respective matrix produced from it (right). The small letters at the base of the matrix are founders marks. Punchcutting is a craft used in traditional typography to cut letter punches in steel as the first stage of making metal type. [1]

3. Edge-notched card - Wikipedia

   en.wikipedia.org/wiki/Edge-notched_card

   The notches allow efficient sorting of a large number of cards in a paper-based database, as well as the selection of specific cards matching multiple desired criteria. Unlike machine-readable punched cards , edge-notched cards were designed to be manually sorted by human operators.

4. Unit record equipment - Wikipedia

   en.wikipedia.org/wiki/Unit_record_equipment

   The IBM 046 Tape-to-Card Punch and the IBM 047 Tape-to-Card Printing Punch (which was almost identical, but with the addition of a printing mechanism) read data from punched paper tape and punched that data into cards. The IBM 063 Card-Controlled Tape Punch read punched cards, punching that data into paper tape. [83]

5. Computer programming in the punched card era - Wikipedia

   en.wikipedia.org/wiki/Computer_programming_in...

   A single program deck, with individual subroutines marked. The markings show the effects of editing, as cards are replaced or reordered. Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the ...

6. AOL

   search.aol.com

   The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

7. Hole punch - Wikipedia

   en.wikipedia.org/wiki/Hole_punch

   The hard edge of the punch vs the die cuts a hole in the paper, pushing the cut piece out the bottom of the die. The cut-out bit of paper scrap is called a chad . The handle functions as a lever , decreasing the amount of force the operator needs to apply.