Question#2Read the following lines of code. It will read the mask register from port 0x21 and thenset the 2nd bit in the register. As soon as it is written back to port 0x21; Keyboard will bedisabled that is connected to IRQ1.in al, 0x21 ; read interrupt mask registeror al, 2 ; set bit for IRQ1out 0x21, al ; write back mask registerTake out line 2 i.e.or al, 2modify it to solve the following parts1. set bit to disable IRQ7Sol:or al, ...