0
votes
1answer
672 views

Intel E7500 OS supports

I have an Intel E7500 processor on a HP Compaq 6000 Pro MT PC. Processor info in msinfo32.exe shows this: Processor Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz, 2933 Mhz, 2 Core(s), 2 Logical ...
3
votes
3answers
4k views

Memory limits in 16, 32 and 64 bit systems

The theoretical memory limits in 16, 32 and 64 bit machines are as follows: 16 bit = 65, 536 bytes (64 Kilobytes) 32 bit = 4, 294, 967, 295 bytes (4 Gigabytes) 64 bit = 18, 446, 744, 073, 709, 551, ...
0
votes
2answers
481 views

Is there any disadvantage to running a 64 bit OS on a low memory system? [duplicate]

Possible Duplicate: advantage of 64 bit os on system with only 2Gb Is there any disadvantages in running a 64 bit OS on a low memory system, say 2GB of RAM or less? Would there be any ...
36
votes
1answer
2k views

Do 64bit software/applications require more RAM than their 32bit counterparts?

I just saw these minimum requirements for a game: Memory: 2GB for 32-bit OS or 4GB for 64-bit OS Why does the 64bit OS require more RAM than its 32bit counterpart?
1
vote
1answer
122 views

32-bit operating system on 64-bit machine with 4 gigabytes of memory or less [duplicate]

Possible Duplicate: Other benefits of 64-bit OS apart from memory expansion? I'm going to be buying a laptop soon. I'm going to install Linux so that it will dual-boot Windows and Linux. ...
2
votes
3answers
1k views

Is my laptop processor 64bit?

I have a Lenovo Ideapad Y510. I have always used 32bit OS in it. Yesterday I came across this detail of my laptop and it says processor of my laptop is 64bit (hope I have not misinterpret anything) so ...
2
votes
4answers
1k views

Virtualizing a 32 bit guest on a 64 bit os

So I was wondering if anybody knew if there was any performance issues with virtualizing a 32 bit os, in my case 32 bit windows 7, on a 64 bit os, mac osX lion. I remember reading that running 32 bit ...
1
vote
1answer
43 views

Win 7 32 bit vs 64 bit for VS2010 and SQL server [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems My planning is to buy a machine having Intel I5 processor for web development using VS2010 and SQL server(latest version). Now Which OS 32bit ...
1
vote
3answers
446 views

Do x86 applications use 64 bits addresses in x64 operative systems?

I was wondering... 64bits OSs can run 32bits applications right? Windows use WoW64 to achieve this right? My question is, when these applications are run, does they use 64bits or 32bits addresses? I ...
1
vote
2answers
2k views

Is there a reason to install a 64bit OS on a computer with less than 4GB of RAM? [duplicate]

Possible Duplicate: Is there any benefit from installing Windows 7 64-bit when you have less than 4GB or RAM? Hi everyone. I have a computer with Arch Linux x64 on it and 3 GB of RAM. ...
1
vote
1answer
480 views

How to dual OS 32-bit/64-bit Windows 7 Ultimate

I have a problem with regards to my nVidia driver not running on 64-bit. I decided to install both 32-bit and 64-bit on my ASUS K42JC (4GB RAM upgrade) in order to function the nVidia on the 32-bit. ...
5
votes
5answers
415 views

Why 32bits OSs can't address more than 3.2/3.2 gb of memory?

Don't know if this is the right place to ask this question. I've been reading that 32bit OSs (like the Ubuntu i'm running right now) can't adress more than 3.2gb or 3.3gb of RAM memory. I remember ...
10
votes
5answers
20k views

How to check whether my OS is 64-bit or 32-bit?

What is the best way to determine whether my OS is 64-bit or 32-bit ? Assume that, I directly on some os & I am going to install a software on it. But how to determine, whether OS is 32-bit or ...
2
votes
6answers
917 views

Confused between 32 bit OS and 64 bit OS

I have 32 bit Windows Xp on my machine now i want to install Windows 7 64 bit. Can i install it? My machine is 3-4 years old. Does the bits of OS has anything to do with hardware? Or it's just a ...
1
vote
4answers
4k views

Pros and Cons using 32-bit vs 64-bit operating system (Windows 7) [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems I want to know what will be the difference and advantages using 32 and 64-bit. why does it really matter. What will it's benefit to Windows 7 ...
0
votes
0answers
63 views

what OS type to use [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems Hi there On a Intel Core Duo system with 4GB or RAM , do I have to use a x64 or a x86 operating system?
1
vote
2answers
1k views

64bit vs 32bit Operating Systems, which one to choose having 2GB RAM? [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems There is several talks about it, most people way "64bit all the way", but I'm wandering if for a 2GB machine 32bit is just fine. Currently ...
3
votes
7answers
620 views

Why cant we use 64 bit OS on a 32 bit CPU?

Why can't a 64-bit OS run on a 32-bit CPU, but a 32-bit OS works on a 64 bit CPU?
-1
votes
2answers
195 views

Why do rootkits only attack 32 bit systems? [closed]

Title says it all...
141
votes
19answers
24k views

32-bit vs. 64-bit systems

What are the differences between 32-bit and 64-bit systems? If you have used both of them, what kind of sharp differences have you experienced? Would it be a problem to use 32-bit programs on ...
1
vote
5answers
2k views

Do I need more RAM for programming if I switch to a 64 Bit OS?

Given that today (for performance reasons?) variables are usually aligned to the "bit-width" (I wanted to use "word-width" here, but on x86 a "word" is still 16 bits right?) of the processor, would ...
12
votes
6answers
3k views

What is the difference between 64-bit and 32-bit Operating systems? [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems I know that there are 2 types of OSs, 64 bit and 32 bit What is the main differences between them? And if I am buying a new laptop, which one ...
13
votes
3answers
22k views

Can a 32 bit OS run in a 64 bit processor?

What's the difference between 32 bit OS and 64 bit OS? Can a 32 bit OS run in a 64 bit processor?