The 8085 instruction EI is used to?

  • AEnable maskable interrupts
  • BDisable all clock signals
  • CEnable only TRAP
  • DErase interrupt vectors
Report an error
Correct Answer: A. Enable maskable interrupts
Explanation: EI enables the maskable interrupt system after its specified activation behavior; TRAP is non-maskable.
Reference: Standard microprocessors and microcontrollers: 8085 interrupts