interrupt

Interrupt
An interrupt is any service request that causes the CPU to stop its current execution stream and to execute an instruction stream and to execute an instruction stream that services the interrupt
When the CPU finishes servicing the interrupt, it returns to the original execution stream at the point where it left off.
Hardware interrupt
If an interrupt is initiated in a processor by an appropriate signal at the
interrupt pin, then the interrupt is called Hardware interrupt.
Software interrupts
the Software interrupts are program instructions. These instructions
are inserted at desired locations in a program. While running a program, if software interrupt instruction is encountered then the processor executes an interrupt service routine.
What is the difference between Hardware and Software interrupt?
The Software interrupt is initiated by the main program, but the
Hardware interrupt is initiated by an external device.
In 8085, the Software interrupt cannot be disabled or masked but the