Event driven devices - polling, Computer Graphics

Assignment Help:

Event Driven Devices - Polling

Polling: The status of all devices is periodically checked in a repetitive manner through a polling loop. While an event happens, the loop is exited and the consequent event is handled by executing some special event-handling routine or task. Again the polling carries on. The disadvantage is, the processor has to stay in an idle state till some event happens. Data entered can be missing if an event happens at a time while the major program is not in its polling loop.

 


Related Discussions:- Event driven devices - polling

Perspective projections - transformation, Perspective Projections - Transfo...

Perspective Projections - Transformation In this projection the center of projection is at limited distance. This projection is termed as perspective projection since in this

Advantages and deficiencies of gourand shading, Advantages and Deficiencies...

Advantages and Deficiencies of Gourand Shading Advantages of Gourand Shading: this eliminates the intensity discontinuities related with the constant shading model. Defi

Area filling algorithms - output primitives, Area Filling Algorithms Be...

Area Filling Algorithms Before we go ahead with area filling algorithms, a word about pixel addressing and object geometry. You know that line segments are discretized into fin

What are the important properties of bezier curve, What are the important p...

What are the important properties of Bezier Curve?  It requires only four control points It always passes by the first and last control points The curve lies enti

What is raster scan display, What is  Raster Scan Display A raster sca...

What is  Raster Scan Display A raster scan display device using CRT on the other hand directs the electron beam across the screen, one row at a time from top to bottom. In a ra

Algorithm scan-line, Algorithm (scan-line): For each scan line perform ...

Algorithm (scan-line): For each scan line perform from step (1) to (3). 1) For all pixels on a scan-line, arrange depth [x]=1.0 i.e. max value and Intensity [x] = background

Different types of simulating motion - computer animation, Different types ...

Different types of Simulating Motion - Computer Animation Here we discuss different ways of simulating motion as: a. Zero Acceleration or Constant Speed b. No

What is fixed point scaling, What is fixed point scaling?  The location...

What is fixed point scaling?  The location of a scaled object can be controlled by a position known as the fixed point that is to remain unchanged after the scaling transformat

What are the advantages of laser printer, What are the advantages of laser ...

What are the advantages of laser printer  High speed, precision and economy. Quality printers. .Cheap to handle Lasts for longer time.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd