The number of hardware interrupts present in 8085 microprocessor are

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

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

The 8251 is a ____?

Which of the following microcontrollers has Harvard architecture?

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

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

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

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

For the instruction:

MOV DI,#235AH

Calculate the physical address.

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