機器
80 column
alphabet
background
binary
blank
card
chad
chads
chip
chips
computer
data
digits
electronics
hole
holes
hollerith
ibm
information
input
isolated
karte
keypunch
letter
letters
mainframe
number
numbers
punch
punch card
punchcard
punched
retro
storage
symbol
symbols
system
tabulating
technology
unused
used
vintage
white