Murphy's laws about Computers
134 quotes by Edward A. Murphy about computers
Edward A. Murphy Engineer working on Air Force Project MX981
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Any given program costs more and takes longer each time it is run.
Quote by Edward A. Murphy about computers
Computers are unreliable, but humans are even more unreliable. Any system which depends on human reliability is unreliable.
Quote by Edward A. Murphy about computers
Any given program will expand to fill all the available memory.
Quote by Edward A. Murphy about computers
The value of a program is inversely proportional to the weight of its output.
Quote by Edward A. Murphy about computers
Program complexity grows until it exceeds the capability of the programmer who must maintain it.
Quote by Edward A. Murphy about computers
Bugs will appear in one part of a working program when another “unrelated” part is modified.
Quote 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.
Quote by Edward A. Murphy about computers
A hardware failure will cause system software to crash, and the customer engineer will blame the programmer.
Quote by Edward A. Murphy about computers
A system software crash will cause hardware to act strangely and the programmers will blame the customer engineer.
Quote by Edward A. Murphy about computers
Undetectable errors are infinite in variety, in contrast to detectable errors, which by definition are limited.
Quote 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.
Quote by Edward A. Murphy about computers
The documented interfaces between standard software modules will have undocumented quirks.
Quote 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.
Quote by Edward A. Murphy about computers
