Describe the graphic accelerators, Computer Engineering

Assignment Help:

Q. Describe the Graphic Accelerators?

A Graphic Accelerator is actually a chip as a matter of fact most significant chip in your video card. The Graphic Accelerator is essentially the modern development of a much older technology known as the Graphic Co-Processor. Accelerator chip is in fact a chip that has built-in video functions. These functions execute algorithms for image rendering and construction. It does a lot of work that would otherwise have to be done by microprocessor.  Hence accelerator chip is actually optional however very important for good graphics performance. 

The graphic accelerator concludes whether your system can show 3-D graphics, how quickly your system displays a drop-down menu and how good is your video playback etc. It determines the amount as well as kind of memory in framebuffer and also the resolution your PC can display.

The first major graphic accelerators were made by S3 Corporation. Modern Graphic accelerators have internal registers as a minimum 64-bit wide to work on at least 2 pixels at a time.  They can employ the standard Dynamic RAM (DRAM) or more expensive however faster dual-ported Video RAM (VRAM). They support at least the standard resolutions up to 1024×768 pixels. They frequently use RAMDACs for colour support providing full 24-bit or 32-bit colour support.  A RAMDAC (Random AccessMemory Digital-to-Analog Converter) is a microchip which converts digital image data into analog data required by a computer display. Though the higher the resolution needed, the higher is the speed at which chip has to function. So for a resolution of 1280×1024 the chip operates at 100 MHz  At the cutting edge of technology chips now run even as fast as 180 or 200 Mhz.


Related Discussions:- Describe the graphic accelerators

Use of overlapped register windows, Q. Use of Overlapped Register Windows? ...

Q. Use of Overlapped Register Windows? Register file comprises 138 registers. Let them be called by register number 0 - 137.  Diagram demonstrates the use of registers: when

What is loadrunner, LoadRunner works by making virtual users who take the p...

LoadRunner works by making virtual users who take the place of real users operating client software, such as sending requests using the HTTP protocol to IIS or Apache web servers.

DISCRETE STRUCTURES, SET 2I OF ALL INTEGERS WITH ZERO IS AN ABELIAN GROUP

SET 2I OF ALL INTEGERS WITH ZERO IS AN ABELIAN GROUP

Illustrate about first generation computers, Q. Illustrate about First Gene...

Q. Illustrate about First Generation Computers? It is certainly ironic that scientific inventions of great impact have frequently been linked with supporting a very sad as well

CONVERT NUMBER TO ALPHABET, HOW TO CONVERT THE NUMBER INTO ALPHABET USING C...

HOW TO CONVERT THE NUMBER INTO ALPHABET USING C/C++ PROGRAM

What specifies by environment variable in cgi script, The Environment varia...

The Environment variable SCRIPT_NAME in CGI script specifies? In CGI script gives the path of URL after server name.

Message passing model, In the message-passing model, there exists a set of ...

In the message-passing model, there exists a set of tasks that use their own local memories during computation. Multiple tasks can reside on the similar physical machine as well ac

Show sample instruction format of mips instruction, Q. Show Sample Instruct...

Q. Show Sample Instruction Format of MIPS instruction? Early MIPS architectures had 32-bit instructions and later versions have 64-bit implementations. The first commercial

Define rules for reducing karnaugh maps, Define Rules for Reducing Karnaugh...

Define Rules for Reducing Karnaugh Maps? The rules for reducing Karnaugh Maps (k- maps) are as follows: All of the 1's in the Karnaugh Map are called as minterms. The

Oo modelling, We might model such a scenario using three types of object: o...

We might model such a scenario using three types of object: one for Customers, one for BankAccounts and another for Transactions. In terms of data required, for Customers assume we

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