This discussion is closed.
neil
Badges:
#1
Report 17 years ago
#1
Hiya everybod.
can ne 1 shed sum light on this 1 pleeeze.

if an I/O device interrupts the CPU. What sequence of events could possibly follow????
0
Unregistered
Badges:
#2
Report 17 years ago
#2
No idea whatsoever.
0
Unregistered
Badges:
#3
Report 17 years ago
#3
When an IO device interupts the CPU:
_1) The register values are stored, as is the PC value
2) A service routine identifies the interupting device
3) A service routine identifies the condition triggering the interupt
4) The CPU deals with the interupt
5) The state before the interupt is restored
HTH
/igi
0
Unregistered
Badges:
#4
Report 16 years ago
#4
check this site for detail of interrupts

http://www.shubs.net/1130/functional/IOInterrupts.html
0
X
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

Regarding Ofqual's most recent update, do you think you will be given a fair grade this summer?

Yes (263)
33.98%
No (511)
66.02%

Watched Threads

View All