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O s what is 64 bit os

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The four things that make 64-bit Vista inadvisable for ordinary users are:
1: No compatibility with old 16-bit Windows apps. This means ancient Windows 3.x software, which most people don't run any more, but 16-bit code can still pop up in the darndest places. Like, for instance, in the installer programs for other apps.
2: No automatic registry and file redirection, which is what 32-bit Vista uses to allow existing software to work with Vista's better user account security, even if the software wants to do admin-rights stuff to the registry and Program Files directory. Many apps still break in 32-bit Vista, but many more break in the 64-bit version.
3: No compatibility with existing 32-bit drivers. Everything on your computer will need a new driver. 64-bit WinXP is the same, and there aren't many 64-bit computers on which Vista won't at least install, but 64-bit Windows also has...
4: No support for unsigned drivers.

Posted on Jan 28, 2008

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SOURCE: Epson Thermal printer (TM-T88IV) installation on Vista 64 bit OS

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how to run turbo c++ in windows 7 64-bit OS

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Hello Joe, 64-bit processing is faster than 32-bit processing because the CPU is handling more bits at once, However, a 64-bit OS requires more resource than a 32-bit OS, A 64-bit OS requires that device drivers operating in kernel mode be a 64-bit drivers, These drivers must be available from the device manufacturer. An application is compiled to process 64-bit or 32-bits. A 64-bit OS can run either 64-bit applications or 32-bit applications, but 64-bit applications are faster also 64-bit applications cannot run on a 32-bit OS.
A 32-bit OS can only address up to 4 GB of memory, More than that might be on the motherboard, but the OS cannot use it, because it does not have enough memory addresses to assign to the physical memory. A 64-bit OS theoretically can address up to 1 terabyte of memory although in practice, most motherboards can only hold from 12 to 16 GB of memory.( A terabyte is roughly 1000 GB or 1 trillion bytes). If you open many applications at the same time and have high computing needs and enough hard drive space and memory, you can benefit from 64-bit computing. To get most out of it, the processor, motherboard, operating system, drivers and applications must all be 64-bit, and you should have installed the maximum amount of memory the motherboard supports.

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How do I change my laptop from 32-bit to 64-bit?


You have to check whether your CPU (Processor) support 64 bit before you can install any windows 64bit OS(Operating Systyem).

Check with the manufacturer Site first, ie if you Laptop support the 64 bit OS. Then download the any 64 bit drivers needed for the devices for your laptop before you begin your 64 bit OS installation.

If your laptop do support the 64 bit OS, best is to do a fresh installation.

Hope it helps.

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2 Answers

Can i installed 32 bit applications on 64 bit processor?


The answer to your question above is Yes, you can install 32-bit applications on a 64-bit desktop/laptop. Please note 3 things:
1. The 64-bit environment will be determined by both the CPU and OS being 64-bit capable. If one of the them is not, then the system will not perform at the 64-bit level.
2. 32-bit applications can be installed on a 64-bit OS and they will function properly - but only at a 32-bit level. They will not take advantage of the 64-bit environment until the application is certified for 64-bit.
3. 64-bit applications cannot be installed on a 32-bit environment - they won't run at all.

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1 Answer

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well in laymen terms nowadays 64 bit is newer tecnlogy and 64 bits one process 64 units of data at a time as compared to 32 bit OS.

64 bit is in core 2 Duo and later systems..

64 bit OS provide full support to the 64 bit architecture thus gaining the overall efficiency.

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You can run a 32 bit technology OS on a 64 bit technology platform.

It will run pretty fast.

You just can't run a 64 bit technology OS on a 32 bit technology platform, though the 64 bit OS is recommended on a 64 bit platform.

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you can try hp update to be able to run at half the power in order to dlow down and clarify your commmunication

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