Format
Punch cards were developed in a variety of sizes and formats. Most people associate the format with the common 80-column variant, but a variety of standards were in use by different manufacturers from early development into the 1980s.
Punch cards were developed in a variety of sizes and formats. Most people associate the format with the common 80-column variant, but a variety of standards were in use by different manufacturers from early development into the 1980s.
