What does plugboard mean?
A device in an early electromechanical computer, such as an Enigma machine, that routes electrical impulses between the keyboard and the rest of the machine, allowing the user to substitute one key press for another. A plugboard is a type of patch panel.
Example
"The cryptanalysts had to figure out the plugboard settings to decipher the encrypted messages."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.