Related Clues:

• Things broken by Alan Turing
• Systems of signals
• Implements some website design, say
• Creates a routine, e.g
• Builds a program from scratch, say
• Cryptography creations
• Cryptographers' studies
• Does a tech job
• Systems for transmitting secret messages
• Secret writings and fragments from Morocco destroyed
• Housing regulations
• To-do lists, for example
• Woman's collecting information, making lists for meetings
• Writes in Java or C
• They're covered by boards