Answer is D INTR
Hardware interrupts: The 8085 microprocessor has five hardware interrupt inputs (five pins). They are TRAP, RST 7.5, RST 6.5, RST 5.5, and INTR in the decreasing order of priority. If two or more interrupts go high at the same time, the 8085 will service them on priority basis.
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TRAP
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RST 7.5
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RST 6.5
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RST 5.5
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INTR
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Edge triggered & Level triggered
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Edge triggered
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Level triggered
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Level triggered
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Level triggered
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Non maskable. It can be masked only by resetting microprocessor.
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Maskable.
DI instruction.
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Maskable.
DI and SIM instructions.
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Maskable.
DI and SIM instructions.
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Maskable.
DI and SIM instructions.
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0024 H
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003C H
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0034 H
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002C H
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Not vectored
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