The browser using the most memory is firefox. But it depends upon the number of addons and plugins used along with it. Chrome with 10 extension takes alot more ram than firefox running without addons.
Yes, there is a RAM extension that goes into Slot-2, it provides 4 extra MB of RAM for use with the DS internet browser cartridge.
Yes, there is a DS lite browser available. It comes with a RAM expansion pack which goes in the lite's slot-2, this is necessary for the browser to be able to run.
Yes, there is a DS lite browser available. It comes in the form of a cartridge-based browser, and also a RAM expansion pack that goes into slot-2.
You need RAM to be able to run any programs that are on your computer including using the web browser and the internet. Without it it would render a computer virtually useless and unusable.
You add more RAM to it
The main issue with old browsers is the lack of RAM. Internet Explorer is a viable option for old ones.
RAM could be thought of as a form of multitasking, because RAM is used to run any type of web browser and if you open the same browser several times to surf the web then the RAM is being used to run two or more web based programs at the same time causing the RAM to multitask.
more ram and faster Internet comection
You need the Opera browser, which was sold as a DS cartridge, but also with a RAM expansion that goes into the GBA slot.
Internet RAM is random access memory
Strictly speaking the 'internet' speed doesn't depend on RAM although RAM on webserver may slow it down. More specifically a shortage of RAM on a user's machine may result in a response time degradation with whatever application is in use but that does not affect the 'internet'.