What is an interrupt service routine in microcontroller?


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More 86 Family Interview Questions

What does the parity flag do?

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What are hardware interrupts?

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What is the position of the stack pointer after the pop instruction?

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What is the main difference between 8085 and 8086 processors?

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Which flags can be set or reset by the programmer and also used to control the operation of the processor?

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Point out the differences between the 8086 and 8088 microprocessor?

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With 12 mhz clock frequency how many instructions (of 1 machine cycle and 2 machine cycle) it can execute per second?

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Why do we use two ground pins in the pin diagram of 8086?

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What is 8255?

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Which interrupt has the highest priority?

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What are Pseudo instructions basically?

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What is the difference between maskable interrupts and non-maskable interrupts?

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