Murphy's laws about Computers
134 quotes by Edward A. Murphy about computers
Any given program costs more and takes longer each time it is run.
EQuote by Edward A. Murphy about computers
Computers are unreliable, but humans are even more unreliable. Any system which depends on human reliability is unreliable.
EQuote by Edward A. Murphy about computers
Any given program will expand to fill all the available memory.
EQuote by Edward A. Murphy about computers
The value of a program is inversely proportional to the weight of its output.
EQuote by Edward A. Murphy about computers
Program complexity grows until it exceeds the capability of the programmer who must maintain it.
EQuote by Edward A. Murphy about computers
Bugs will appear in one part of a working program when another “unrelated” part is modified.
EQuote by Edward A. Murphy about computers
A “debugged” program that crashes will wipe out source files on storage devices when there is the least available backup.
EQuote by Edward A. Murphy about computers
A hardware failure will cause system software to crash, and the customer engineer will blame the programmer.
EQuote by Edward A. Murphy about computers
A system software crash will cause hardware to act strangely and the programmers will blame the customer engineer.
EQuote by Edward A. Murphy about computers
Undetectable errors are infinite in variety, in contrast to detectable errors, which by definition are limited.
EQuote by Edward A. Murphy about computers
Adding manpower to a late software project makes it later.
EQuote by Edward A. Murphy about computers
Make it possible for programmers to write programs in English, and you will find that programmers can not write in English.
EQuote by Edward A. Murphy about computers
The documented interfaces between standard software modules will have undocumented quirks.
EQuote by Edward A. Murphy about computers
The probability of a hardware failure disappearing is inversely proportional to the distance between the computer and the customer engineer.
EQuote by Edward A. Murphy about computers
