8086 Microprocessor interview questions

What are the flags in 8086? - In 8086 Carry flag, Parity flag, Auxiliary carry flag, Zero flag, Overflow flag, Trace flag, Interrupt flag, Direction flag, and Sign flag. What are the various interrupts in 8086? - Maskable interrupts, Non-Maskable interrupts. What is meant by Maskable interrupts? - An interrupt that can be turned off by the programmer is known as Maskable interrupt. What is Non-Maskable interrupts? - An interrupt which can be never be turned off (ie.disabled) is known as Non-Maskable interrupt. Which interrupts are generally used for critical events? - Non-Maskable interrupts are used in critical events. Such as Power failure, Emergency, Shut off etc., Give examples for Maskable interrupts? - RST 7.5, RST6.5, RST5.5 are Maskable interrupts Give example...

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