Choosing The Ram

RAM is an acronym for Random Access Memory that is also known as volatile memory, because the data it holds is lost when the desktop PC or laptop/notebook computer using it is switched off. Briefly, RAM memory is used by the system to store data in the form of files for processing by a computer's central processing unit (CPU), also known as the processor. The processors used in most PCs are made by Intel and AMD. The processor runs the program and data files according to instructions given to it by the operating system, which, on PCs, is usually a version of Windows, or, to a much lesser extent, a version of Linux

Unless all of the memory slots on a computer's motherboard are already fitted with memory modules, the RAM memory in most desktop and laptops computers can be increased by installing more memory (upgrading the memory). Installing one or more additional memory modules in a desktop or a laptop computer is a simple process that is dealt with at the top of Page 2 of this article.

Some high-speed RAM memory modules come with passive heatsinks fitted to them. These heatsinks can also be purchased. Names for memory cooling devices are heatspreaders, heat spreaders, ramsinks, memory cooling kits, RAM heat sinks, etc. You can find vendors for them by entering these names in the Google search box at the top of this page (with its Web radio button enabled).
source : http://www.pcbuyerbeware.co.uk/RAM.htm

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The Reality of RAM

In theory, Photoshop 7 and Photoshop CS can use up to 2GB of RAM before resorting to active scratch

disk usage. In actual practice, 100% "Available RAM" in Photoshop 7 and CS memory preferences varies be-
tween about 1600MB and 1800MB in systems with 2GB or more of RAM. This is because Photoshop 7 or CS
"sees" only the first 2 GB of installed RAM, and- assuming this is the total amount installed in the machine, re-
serves a minimal amount of memory for the Mac OSX operating system.

Both Photoshop CS2 and Photoshop CS3 have larger RAM limits and additional sophisticated features
When used with Mac OS 10.3 or newer and 4GB of installed RAM, CS2 can use more RAM directly for image
data- up to 3072MB. An additional amount of RAM- approximately 600MB- is reserved especially for plug-ins,
filters, actions, and other operations that need large amounts of contiguous memory- bringing the total used
directly by Photoshop to roughly 3.7GB. Both CS2 and CS3 "see" only the first 4GB of installed RAM, and as-
suming this is the total amount in the machine, reserve a minimal amount of memory for the Mac OSX operat-
ing system.


For best performance, provide Photoshop and the Mac OSX operating System with as much RAM as possible.
Adding additional RAM to your machine is an excellent investment; it improves overall system performance
across a wide range of applications by reducing swapfile activity, and it allows Photoshop to keep more image
data in RAM for faster processing and less scratch disk use. Large amounts of installed RAM improve Pho-
toshop performance dramatically.

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RAM (Random Access Memory )

RAM is memory is where the computer stores all the repetitive tasks that it needs to do to keep going. It might sound very simple but you shouldn’t underestimate its importance. Every task your computer performs goes through the RAM and the more you have the more things it can do more quickly.

You computer uses the RAM to organise every task and manage all the data that the processor throws at it. If you don’t have enough RAM then the computer will use hard disk memory to perform its memory tasks. The problem with this is that current disks are slow and the more you use them the higher your risk of damage to the drive. It’s also a much slower way of organising all your data because a hard disk isn’t designed to process memory in the same way as RAM.

Without getting too technical RAM is a series of memory cells that hold a charge of electricity. With the charge each cell represents a 1 and without a 0. The faster the charge can be passed through the faster data can be used. Of course, the larger the cell the more data can be passed through as well. It is possible to get faster RAM and some systems work better with identical sizes of RAM chip installed.

You can upgrade the RAM on all systems so if you’ve got a desktop or laptop computer there’s no problem with you getting more. The most important thing is to check that you’ve got free slots that you can install memory in to. There are loads of websites that can help you determine what kind of RAM you need but if all else fails contact the manufacturer who’ll be able to let you know what chips you need.

The Need for Speed

The more RAM you have the faster your computer will go. It really is a simple as that. There are other limitations of course but basically it’s best to invest in as much RAM as possible. If your computer is a bit old and feeling slow then a RAM upgrade is the simplest way to increase the responsiveness. Most computers are very simple to upgrade but you’ll need to make sure that you get the right stuff.

Not all RAM is the same and even RAM chips that share similar physical characteristics can be incompatible. Make sure you buy as much RAM as you can afford and it can be a much cheaper way of making your computer go much faster. Rather than having to invest in a brand new computer you can breath life into an old machine just by upgrading the RAM.

Source : http://www.technologybasics.co.uk/ComputerCategory.html

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