Halt
From Wikipedia, the free encyclopedia
Halt (from German: stop) can refer to:
- In computing, especially assembly language, a halt or stop command is a directive to cease the execution of a task. Some form of intervention is then required to start a process. In Unix halt is the command to shut down the computer. In x86 assembly language, HLT is an instruction that halts the CPU until the next external interrupt is fired. The halting problem in computability theory is the task to decide whether a given program finishes running or will run forever for a given finite input.
- In protein biosynthesis, the analog of stop is called the stop codon.
- In rail transport, a halt is a small station, usually unstaffed and with few facilities. In the United Kingdom most, if still in existence, have had the word halt removed from their title in recent years. Where the description is still used (verbally, if not actually on the station signs) it is usually a station served by public services but not available for use by the general public, being accessible only by persons travelling to/from an associated factory (e.g. IBM Halt), military base (e.g. Lympstone Commando) or railway yard.
- In addiction recovery, HALT is an acronym for "Hungry, Angry, Lonely, Tired" - common feelings associated with imminent relapse.
- In electronic hardware tests is an acronym for Highly Accelerated Life Test(ing). - It is similar to Environmental stress screening.
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