-1
votes
3answers
102 views

Defining 32-bit or 64-bit processor requirements [duplicate]

My knowledge of computer hardware is fairly extensive, however it is apparent that this is not the case when considering types of operating systems. I've gone by the rule of thumb for years that if a ...
-3
votes
2answers
151 views

Is Intel(R) Core(TM) i5 CPU 750 @ 2.67 GHz a 64 bit Processor?

How do i know if my pc can run 64x bit? I have problems with 32x bit so i need 64x bit. I have a: Intel(R) Core(TM) i5 CPU 750 @ 2.67 GHz I've tried to find some help on the internet, and on ...
14
votes
2answers
260 views

Are 64-bit processors “faster” than 32-bit ones, simply because they are 64-bits? [duplicate]

I have pondered that some say "32-bit is old news" because you are limited in RAM without cutting around, such as with PAE. Assuming first that the following factors weigh in on the processor's speed ...
-1
votes
1answer
52 views

x32 and x64 architecture difference in operating with numbers

For example in Java programming language we can use int (32 bit) or long (64 bit) values. As I understood 32 bit cpu can operate with 32 bit numbers in one cycle. There is 32-bit and 64-bit cpu's. So ...
282
votes
18answers
100k views

If 32-bit machines can only handle numbers up to 2^32, why can I write 1000000000000 (trillion) without my machine crashing?

32 bit computers can only store signed integers up to 232 - 1. This is why we have run out of ipv4 addresses and have entered the 64 bit era. However, the number 232 - 1 (2,147,483,647) is not as ...
0
votes
1answer
673 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 ...
-4
votes
3answers
376 views

Is this system 32 bit or 64 bit? [closed]

I would definitely say that this system is 64 bit but the owner says it's 32. The computer is a Dell Optiplex 960 which comes both in 32 bit and 64 bit versions but I installed windows 8 64 bit ...
5
votes
5answers
6k views

How many memory addresses can we get with a 32-bit processor and 1gb ram?

How many memory addresses can we get with a 32-bit processor and 1gb ram and how many with a 64-bit processor? I think that it's something like this: 1GB of ram divided by 32bits or divided by 4? to ...
1
vote
4answers
4k views

64-Bit Supporting Processor and 3GB RAM. Should i go for Windows 8 32-bit or 64-bit?

This might sound like a duplicate but i couldn't find a clear answer in any of the questions answered in this site or any other. I have a laptop with AMD Athlon(tm) II Dual-Core M320 processor which ...
7
votes
2answers
1k views

Why don't we have 33-bit CPUs? [closed]

I have seen that CPU's and operating systems have moved upwards in terms of bits from 8-bit to 16-bit, to 32-bit and currently to 64-bit. I understand that this change is to increase the maximum ...
-1
votes
1answer
290 views

If I double my ram on a x86 processor, does that double the ram I can use for each individual process? [closed]

I don't understand how 32-bit OS's use RAM on a per process basis. I've read the max RAM my x86 processor running a 32-bit OS can use is 2^32 = 4GB; but that's just for one process, right? 3DS Max ...
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
2answers
5k views

atom n2600 is 64 bit or 32 bit?

I look at the intel spec sheet. It says that the processor has a 64 bit instruction set. However, running uname -m results in i686, and running grep flags /proc/cpuinfo indicates that each ...
2
votes
2answers
8k views

Can 64-bit software run on 32-bit OS?

I have a 64-bit machine that has Windows 7 32-bit and Ubuntu 32-bit installed as a dual boot setup. Can I run 64-bit software on top of these 32-bit OSes, or are they a "bottleneck" limiting the true ...
0
votes
2answers
4k views

32bit vs 64bit is a property of CPU, motherboard or both? [duplicate]

Possible Duplicate: Does a motherboard have to support 64-bit or is it just the CPU? For computer, being 32/64bit is a property of CPU, motherboard, or both? How do I recognize that ...
2
votes
1answer
463 views

When the term 'x86' is used, does it always refer to 32-bit?

When the term 'x86' is used, does it always refer to 32-bit? And is it only about Intel processors?
1
vote
3answers
1k views

32-bit and 64-bit CPU/OS [duplicate]

Possible Duplicates: how to know if a computer is 32 bit or 64 bit 32-bit v/s 64-bit systems Hi, This 32-bit and 64-bit thing baffles me. It's not often that I run across it, but when I ...
2
votes
1answer
51 views

How various operating systems are limited to 32-bit or 64-bit?

I understand that due to physical construction, CPUs come in different sizes 16-bit, 32-bit, 64-bit. But what does this means " Windows XP is 32-bit OS"? what is the limitation on a software to limit ...
3
votes
5answers
4k views

Does 32bits Windows run slower on a 64bit CPU?

I have a quad-core 64bit CPU and have Windows 7 32bits installed (don't ask why.) Will a 32bit OS run slower if installed on a 64bit CPU as compared to a 32bit CPU ?
10
votes
7answers
5k views

How to tell if a computer has a 64-bit CPU or OS

How you can check if your computer Has an x86 (32-bit) or x86-64 (64-bit) processor? Is running a 32 bit or 64 bit operating system?
10
votes
3answers
4k views

What is meant by a 32 bit processor?

What is meant by a 32 bit processor, or generally an n-bit processor?
6
votes
9answers
22k views

How can I determine whether my processor is 32-bit or 64-bit?

How can I determine whether my processor is 32-bit or 64-bit? My processor is AMD Phenom 8450 triple-core.
1
vote
3answers
1k views

x86 vs x64 windows7 on an i7 processor [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems I have a laptop with a new i7 Q720 processor that currently runs Windows-7 32 bit. With the exception of limiting my RAM to 4gb, are there any ...
3
votes
7answers
621 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?
9
votes
4answers
11k views

How do I know if my linux kernel is running in 32bit or 64bit?

When I do a cat in /proc/cpuinfo it shows a line with clflushsize : 64 Does this mean my kernel is running in 64 bits?
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?
16
votes
8answers
1k views

Should I choose 32 or 64 bit for Linux?

I own a Linux workstation which currently has 4 GB of RAM and planning to go for 8 GB in the near future. CPU is a Core2Quad Q9550. Should I install a 32 or 64 bit variant of Linux?