assembly - How binaries are generated using Punched cards? - Retrocomputing Stack Exchange

I thought that punched cards already represent the code in binary since a hole means 0 and rest positions mean 1 on a punched card. But then I read that you could use punched cards to present the C

Before Computers: Notched Card Databases

Punched card hi-res stock photography and images - Alamy

ibm - Was bootloading from punch cards possible on System/370 machines? - Retrocomputing Stack Exchange

IBM Cards

mathematics - Rewritable punch cards - Puzzling Stack Exchange

An Empire Built on Punched Cards - CHM Revolution

Why were punch cards used for programming? Didn't computer screens and keyboards already exist by the time programmers used them? - Quora

How were punched cards used to store data? - Quora

mathematics - Rewritable punch cards - Puzzling Stack Exchange

mathematics - Rewritable punch cards - Puzzling Stack Exchange

Inside card sorters: 1920s data processing with punched cards and relays

history - Can we express the instructions to the Analytical Engine in terms of assembler or machine code? - Retrocomputing Stack Exchange

Ken Shirriff's blog: May 2015