Process

Question 1

What are the two classes of exceptions?

Answer 1

I.Synchronous
II.Asynchronous

Question 2

What causes a synchronous exception?

Answer 2

The currently executing program

Question 3

what are the 3 sub classes of synchronous exceptions?

Answer 3

1. Traps
2. Faults
3. Aborts

Question 4

traps

Answer 4

intentionally triggered by a system call and usually recoverable

Question 5

Faults

Answer 5

Are usually unintentional and may or may not be recoverable. (segmentation fault, protection fault) return from fault results in retrying the faulting instruction.

Question 6

Aborts

Answer 6

They are unintentional and irrecoverable , usually goes hand in hand with terminating program

Question 7

Whar causes Asynchronous exceptions?

Answer 7

Events outside of the current instruction external of it.

Question 8

What are asynchronous exceptions known as when they are hardware initiated?

Answer 8

Interrupts

Question 9

what are some examples of interrupts?

Answer 9

control c , ctrl- alt- del, power button

Question 10

what are interrupts associated with?

Answer 10

Specific hardware processor pins , checked after every cpu cycle. Associated with handler functions via interrupt vector.