64-bit computers have been around for some time now in the mainstream, for example AMD’s Athlon and Intel’s 64 bit ready processors.
Whilst these processors are 64- bit ready unless you have a 64- bit operating system they are more or less redundant as using a standard version of windows XP or Vista (both of which are 32-bit) will not allow you to access the existing power in your PC or Cad workstation.
This is not necessarily a bad thing however as a vast majority of users for the foreseeable future will never need to use the benefit of this technology which at the end of the day is all about being able to have (and be able to use) masses of Ram in your computer (6 – 32GB for example).
Essentially they have a car that has all the fittings for a turbo but only a select few will ever need to fit the turbo (loads more ram).
Let us explain a little further:
Your standard operating system used by a majority of the population has not been designed to use in reality much over 3 GB of ram at the very outside and for a majority of users 2 GB will be ample although many will be running with far less than this.
Most average users (non CAD and home users) will probably only have 1GB and in most cases far less in their machine and will not for the foreseeable future need to address massive amounts of ram, as the programs they use do not and often cannot use more than 1GB or 2GB of memory anyway.
If you have got less than 1Gb though it will be highly advantageous to upgrade your memory as this can give your system a much needed boost, even for a home users.
If you have a local friendly computer support company you can also ask them about memory upgrades as well if you don’t want to do one yourself.
Even if you have a multi-core processors and have a number of applications (programs) running together, chances are high that you will not use much more than 1 - 1.5 GB of physical memory.
For your average home PC enthusiasts there is simply no reason in the short term at least why they will need this type of capability in a home computer.
That said there is an altogether different group of computer users out there who are using software that can cost as much and sometimes more than the average second hand family car.
For these users the advent of 64-bit computing is a dream come true as they can make their software (which is often restricted by the computer they use) perform massively faster and better than ever before.
Typically these professional (and traditionally 32-bit) applications can be compiled to “see” up to 4GB of memory, but as previously stated windows 32 - bit operating systems limits windows to use 2GB of memory for applications and 2GB for system use by default.
Some CAD applications can use 3GB of memory by utilising a 3GB switch in windows (requires changing system files which is not recommended to be undertaken unless you are very IT literate), this effectively reduces reserved system memory to 1GB allowing the application to squeeze extra performance.
This can cause some instabilities when running multiple applications so should be used with caution.
Many commercial applications such as Digital Content Creation (DCC), Mechanical CAD (MCAD), Electronic Design Automation (EDA) software have swiftly outgrown the 4 GB limitations, as they need to manage extremely large data sets which require access to much more (preferably) physical memory.
So for these users 64 - Bit computing will be seen as the next generation computing platform.
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