Following are axioms that have been made by professionals in the field from time to time about computers and information technology. For the actual text, look up the definition.
Law Subject
Amara's law Technology in general
Amdahl's law System & network speed
Asimov's laws Robotics
Brook's law Software projects
Clarke's laws Prediction
Codd's rules Relational database
Cole's law Essential elements
Fitts' law User interface
Freedman's law Programming
Huang's law GPUs
Kerckhoffs' law Cryptopraphy
Koomey's law Energy consumption
Kryder's law Hard drive density
Metcalfe's law Network value
Moore's law Transistor capacity
Nacchio's law IP gateways
Reed's law Network value
Shannon's law Channel speed
Thackara's laws Product design
Wirth's law Software bloat
Wright's law Manufacturing cost