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Bạn đang tìm kiếm từ khóa Laptop 64 bit được Update vào lúc : 2022-02-13 21:17:49 . Với phương châm chia sẻ Thủ Thuật về trong nội dung bài viết một cách Chi Tiết Mới Nhất. Nếu sau khi Read Post vẫn ko hiểu thì hoàn toàn có thể lại Comments ở cuối bài để Tác giả lý giải và hướng dẫn lại nha.
There are a lot of ways to count, but when it comes to computers there is only binary: 0 and 1. Each one is a considered a “bit.” That means for 1-bit computing, you get two possible values; 2-bit means four values; then 3 bits you double that to eight (2 to the third power, aka 2 cubed).
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Keep going exponentially and you eventually get 32-bit (2 to the 32nd power) worth 4,294,967,296; 64-bit (or 2 to the 64th power) is worth 18,446,744,073,709,551,616 values. That’s 18.4 quintillion and change.
That’s a lot of bits, and the numbers show just how much more powerful a chip that supports higher-bit computing can be. It’s a lot more than double.
That’s because every few years, the chips inside the computers (even smartphones) and the software running on those chips make leaps forward in supporting a new number. For example:
It’s pretty obvious: 64-bit, sometimes styled as x64, is capable of doing more than 32-bit. You might know 32-bit as x86, a term that originally referred to any OS with the instruction set to work on Intel chips like the 8086 through 80486.
These days, you are most likely already running 64-bit chips with 64-bit operating systems, which in turn run 64-bit apps (for mobile) or programs (on the desktop, to settle on some nomenclature). But not always. Windows 7, 8, 8.1, and 10 all came in 32-bit or 64-bit versions, for example.
How do you even tell which one you have?
If you are running Windows on a computer less than 10 years old, your chip is almost guaranteed to be 64-bit, but you may have installed a 32-bit version of the OS. It’s easy enough to check.
In Windows 10, go to Settings > System > About or type About in the Windows 10 search box. Under the Device specifications heading, you’ll see it System type: “64-bit operating system, x64-based processor” means you’re covered.
Mac users don’t have to worry about this, as MacOS has been 64-bit only for a long time. In fact, as of the latest version (10.14 Catalina) 32-bit applications on a Mac aren’t even technically supported, but we have a guide for running 32-Bit apps in MacOS Catalina. If you must.
Why would you install a 32-bit OS on a PC? The big reason is because you have a 32-bit processor, which requires a 32-bit OS.
Having such a CPU today is unlikely. Intel started making 32-bit processors in the 80386 range way back in 1985; it was selling 64-bit processors by 2001. If you’ve bought a PC since the Pentium D chip came out in 2005, it’s unlikely you’d have only a 32-bit instruction set inside.
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More likely, you have an old system with an operating system you installed that only came as 32-bit. Subsequent upgrades, if any, may not have jumped your install up to 64-bit. That may be finenot all of the earliest 64-bit processors had all the features in place. You can determine if your PC is really ready for full 64-bit by using software like 64bit Checker. It works on all versions of Windows going back to Windows 95.
Installing a 32-bit OS on a 64-bit-architecture system can work, but it’s not optimal. A 32-bit OS, for example, has more limitationsthe standout being it can only really utilize 4GB of RAM. Installing more RAM on a system with a 32-bit OS doesn’t have much impact on performance. However, upgrade that system with excess RAM to the 64-bit version of Windows, and you’ll notice a difference.
This should spell it out in the starkest way: the officially supported maximum RAM on Windows 10 is 2 terabytes (or 128GB on Windows 10 trang chủ).
The theoretical limit of RAM 64-bit: 16 exabytes. That’s equal to 1 million terabytes or 1 billion gigabytes. But we’re a long way from having hardware that could ever tư vấn that. (Either way, it makes buying a new máy tính with 16GB of RAM seem unimpressive, doesn’t it?)
64-bit computing features many other improvements, though in ways that may not be noticeable to the naked eye. Wider data paths, larger integer sizes, eight-octet memory addresses. It’s all stuff for the computer scientists to take advantage of, to make your computing all the more powerful.
You may also notice that some programs you tải về for your desktop operating system come in 32- and 64-bit versions. Firefox is a good example, where the options are “Windows 32-bit” and “Windows 64-bit” (as well as “Linux” or “Linux 64-bit”the macOS version is 64-bit only).
Why do that? Because 32-bit OSes are still out there for some. Those systems need 32-bit softwarethey typically can’t even install a 64-bit program, and certainly won’t run them. However, a 64-bit OS can tư vấn a 32-bit programWindows in particular has built in an emulation subsystem for that, called Windows32 on Windows64, or WoW64.
Look in your C: drive sometimeyou’ll see two Program Folders: one for 64-bit programs, another called Program Folders (x86) just for 32-bit applications. You’ll be kind of astounded how much 32-bit code is still out there.
On the Mac, you’re less likely to find much 32-bit-ness, which is why Apple is banning 32-bit apps under Catalina, or least trying. But you can check your apps. On the Apple menu, select About this Mac, click System Report, and highlight all the applications listed under Software. Each will have a “64-bit (Intel)” entry reading Yes or No. Most are going to be Yes. If you have an important program that says No, avoid Catalina for now or read our workarounds.
As noted above, Apple’s A7 chip was the first 64-bit processor to go into a mobile phone (the iPhone 5s). In 2015, Apple mandated that all iOS software had to go 64. As of June 2022, opening a 32-bit app in the latest versions of iOS caused a “not optimized” warning: “using it may affect overall system performance.”
If you’ve got an iPhone 5s or higher with iOS 10 or higher, you can’t use those older 32-bit apps that haven’t had an update. That’s the “best” thing about Apple’s closed systemit can force that to happen.
On Android phones, it can be a little trickier to uncover details unless you’re well-versed on what chip is inside. If you’re not running Android 5.0 Lollipop or newer, you’re still 32-bit. One app that will tell you is AnTuTu Benchmark; load it, click the Info button, and look for the Android line. It’ll tell you the Android version and if it’s 32- or 64-bit.
For iOS and Android, this isn’t about opening up the OS to using more RAM. In fact, going x64 isn’t a guarantee of better performance. Going 64-bit has other benefitsthings like fetching even more data per cycle (and faster), better encryption, and overall moving to new 64-bit chips with improved features, like power efficiency.
Ultimately, the 64-bit revolution is already here. And you don’t need to know anything about x64 to be part of it.
Eric Griffith has been writing about computers, the internet, and technology professionally for 30 years, more than half of that time withPCMag. He was previously on the founding staff of publications likeWindows Sources, FamilyPC, andAccess Internet Magazine,all of which are now defunct, and it’s not his fault. He spent six years writing exclusively about Wi-Fi, but don’t ask him to fix your router. At PCMag he runs several special projects including the Readers’ Choice and Business Choice surveys, and yearly coverage of the Fastest ISPs and Best Gaming ISPs, plus regularly writes features on all tech topics. He’s the author of two novels:BETA TEST(“an unusually lighthearted apocalyptic tale” according to Publishers’ Weekly) andKALI: THE GHOSTING OF SEPULCHER BAY, which you can still get as ebooks. He works from his home in Ithaca, NY, and did it long before pandemics made it cool.
Read the latest from Eric Griffith
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