ANSWERS: 6
  • It is limited to 4Gb. This also takes into consideration your video card's memory (if you aren't using on-board video).
  • no more than 4gigs
  • 4 gigs although if you are using XP 32-bit you will only be able to address around 3.25 gigs of this using Physical Address Extension.
  • Using PAE you can have up to 64 GB RAM with a 32-bit OS. PAE is implemented as standard in many operating systems and has been around for years now. http://en.wikipedia.org/wiki/Physical_Address_Extension My main 32-bit Linux box has 8 GB RAM, but I also have a 32-bit VMware server with 16 GB RAM. One day I'll go 64-bit :) Note that some operating system vendors, such as Microsoft, limit the hardware you can use depending on the licence you have. For example, Windows Server 2003 Web Edition supports just 2 processors and a meagre 2GB of RAM!
  • Quite a lot.
  • 1-12-2017 One switch has two states: on and off. Two switches, or bits if you please, have four states. Each additional bit doubles the number of possible states. When you have 32 bits in a RAM address you can directly address 4.295 x 10^9 locations, what we call "4.2 gigabytes". However, memory managers have advanced to where the effective RAM capacity is equal to the size of your hard drive. That is why programs that use a lot of memory slow the overall operation so much as they repeatedly access the hard drive.

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