In the x86 computer architecture, HLT (halt) is an assembly language instruction which suspends the central processing unit (CPU) until the next external interrupt is fired. Interrupts are signals sent by hardware devices to the CPU alerting it that an event occurred to which it should react.
In the x86 computer architecture, HLT (halt) is an assembly language instruction which suspends the central processing unit (CPU) until the next external interrupt is fired. Interrupts are signals sent by hardware devices to the CPU alerting it that an event occurred to which it should react.
Source: Wikipedia "HLT (x86 instruction)" · CC BY-SA 4.0
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