It uses two consecutive text characters to compute the bad character shift.
When plain text characters are arranged on the screen in such a way that they create an image.
The pattern of punches typically describes a text character using the Hollerith code.
Even simple things like text characters are represented as binary sequences.
When he used that method on the one line, it came up as text characters only, which was not likely to happen by chance.
So he left-shifted the other line, and it, too, became nothing but text characters.
All other text characters will be rendered as plain text.
And you can only send three text characters at a time.
But it can sendany set of text characters; you could type out the dictionary, slowly.
A console where programs show information using text characters.