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Microprocessor Questions Set 1:

Quiz Mode

The number of hardware interrupts present in 8085 microprocessor are


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In the 8085 microprocessor, how many software interrupts are present?

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How many Special Function Registers (SFRs) does the 8051 microcontroller have?

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The 8251 is a ____?

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Which of the following microcontrollers has Harvard architecture?

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Which of the following is an internal bus of the 8085 microprocessor?

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Which of the following opcodes is used to subtract the register or memory contents from the accumulator?

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Which device/component cannot be interfaced externally to an 8051 microcontroller?

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Given DS=5000H, ES=4000H, DI=2000H, SI=3000H

For the instruction:

MOV DI,#235AH

Calculate the physical address.

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Which type of interrupt requires the programmer to add instructions into the program to handle the interrupt execution?

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