Hardware interrupts - computer architecture, Computer Engineering

Hardware interrupts:

Hardware interrupts-from I/O devices, processor, memory Software interrupts-produced by a program.

Direct Memory Access (DMA)

 Interrupt or Polling driven I/O incurs considerable overhead

  • Saving program state
  • Incrementing memory addresses
  • Multiple program instructions
  • Keeping track of word count

Transfer  high  amounts  of  data  at  high  speed  without  continuous  intervention  by  the processor

DMA controller keeps track of memory locations, directly transfers to memory (using the bus)

independent of the processor

Special control circuit needed in the I/O device interface which is called a DMA controller

1840_Hardware interrupts.png

Posted Date: 10/13/2012 7:24:42 AM | Location : United States







Related Discussions:- Hardware interrupts - computer architecture, Assignment Help, Ask Question on Hardware interrupts - computer architecture, Get Answer, Expert's Help, Hardware interrupts - computer architecture Discussions

Write discussion on Hardware interrupts - computer architecture
Your posts are moderated
Related Questions
3-variable K-maps have 8 squares which arenormally arranged in 4 columns and 2 rows.Columns are labeled with 2 variables. The columns are arranged so that either A or B cha

'On many systems, you can describe a function matherr which will be known as when there are certain floating-point errors, like errors in the math routines in .

Reprography In order to disseminate information widely some method of reprography is invariably used. Reprography is the science and practice of copying documents by photograph

Q. Combined Parallel Work-sharing Constructs? Combined parallel work sharing constructs are shortcuts for specifying a work sharing construct nested instantaneously in a parall

Using your cache simulator and using smalltex.din as your memory trace determine the total miss rate, compulsory miss rate, capacity miss rate, and conflict miss rate for the follo

MS Access provides a vast range of functions some of them are ? It is used by small business, departments of large corporations, and by amateurs to make applications on their d

When a switch capacity is full, calls coming into that switch are said to be                 . (A)  open                                            (B)  shorted (C) bloc

A digital signature is   encrypting information

Q. How to calculate Colour Depth? Colour Depth (or number of Colour Planes) is number of bits assigned to every pixel to code colour information in it. These are also known as

Q. What is Dynamic Random Access Memory? RAM technology is divided into 2 technologies: Static and dynamic. A dynamic RAM (DRAM) is made with cells which store data as charge o