IBM 700 Series 704 Binary Data Punch Cards Mainframe Computer Processing 1950s
2 Collectible IBM 704 Binary Cards
72 Column Standard IBM Cards
These vintage IBM Punch Cards were an Input Medium for Recording, Storing Data, Record Keeping
Data on a Punch Card was Encoded Using Binary Notation
A Mainframe Program Caused the Calculator to Read the Information Punched on the Card
Programs were Written in a Language Called Machine Code with Instructions Encoded in 1s and 0s 
Punch Cards were Eventually Replaced by Floppy Drives, Magnetic Tape and Hard Drives
Fun Fact: Fortran Language was First Developed for the IBM 704
Condition: Used. Punched. The paper is toned, discolored. Note: You will receive 2 random cards with different information on each card (the information will not match what is in the photo because I have already sold these two cards – all cards are different) All cards have a color stripe (grayish, purple or orange) at the top of the card.
Measures 7-1/2 inches x 3-1/4 inches

Packaged in a plastic sleeve inside a rigid envelope

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