Perform on occurrence of an interrupt, Computer Engineering

Assignment Help:

Q. Perform on occurrence of an interrupt?

Determining these requirements let's work out steps that CPU should perform on occurrence of an interrupt.

The CPU should find out source of interrupt as this will decide which interrupt service routine is to be executed.
The CPU then obtains the address of interrupt service routine which are stored in memory (in general).
What occurs to program the CPU was executing before interrupt? This program requires to be interrupted till CPU executes ISR (Interrupt service program). Do we need to do something for this specific program? Well context of this program is to be kept.
Ultimately CPU executes interrupt service routine till completion of routine. A RETURN statement signifies the end of this routine. Later the control is passed back to interrupted program.

Related Discussions:- Perform on occurrence of an interrupt

Difference between the functions unlink and unset?, Unlink() is a function ...

Unlink() is a function for file system handling. It will easily delete the file in context. Unset() is a function for variable management. It will create a variable undefin

Differences between a uri, Question: (a) Describe the differences betwe...

Question: (a) Describe the differences between a URI, a URN and a URL. (b) What are the five basic syntax rules for a well-formed XML document? (c) Provide four uses of

Explain about interrupt procedure, Q. Explain about Interrupt Procedure? ...

Q. Explain about Interrupt Procedure? The interrupt procedure uses request header to conclude the function requested by DOS. It also performs all functions for device driver. T

Explain the pdca cycle, Explain the PDCA cycle. PDCA is a four step pro...

Explain the PDCA cycle. PDCA is a four step problem solving method. The following are the description of each step: 1. P - Plan (Devise your Plan). Identify an opportunity a

Feasebility study, what are the feasibility study of online result manageme...

what are the feasibility study of online result management system?

Identify the main enhancements brought along by tkip, Question: (a) Id...

Question: (a) Identify the four main enhancements brought along by TKIP on WPA to solve the problems in WEP. (b) The term WarDriving has been frequently used while talking

Dialog-task updates, Dialog-task updates are Synchronous updates.

Dialog-task updates are Synchronous updates.

Explain integrated disk electronics devices, Q. Explain Integrated Disk Ele...

Q. Explain Integrated Disk Electronics Devices? IDE devices are associated to PC motherboard by a 34-wire ribbon cable. Common drive used today for workstations has capacities

Efficiency of vector processing over scalar processing, Efficiency of Vecto...

Efficiency of Vector Processing over Scalar Processing: We know that, a sequential computer processes scalar operands one at a time. Thus, if we have to process a vector of len

Which term is associated with snmp, Which term is associated with SNMP? ...

Which term is associated with SNMP? MIB is related with SNMP.

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages