Can some please help me with this. Thanks.

Arrange the steps of an exception handling sequence in the right order.

Execute the interrupt service routine (ISR, a.k.a. interrupt handler).

Save the current or next program counter and the CPU flags.

Restore the CPU flags and the program counter.

Locate the interrupt service routine (ISR, a.k.a. interrupt handler) through the interrupt vector.

Identify the interrupt request (IRQ) channel.

Match the hardware and protection mechanisms that they provide.

-A.B.C.D.	Timer
-A.B.C.D.	Segment (relocation) registers
-A.B.C.D.	Privileged instructions
-A.B.C.D.	Multiple CPU modes

A.	Memory protection
B.	General protection
C.	CPU protection through multitasking
D.	Input/output protection