Mac air 64 or 32 bit

Beginning with version Also - CPU that are "bit" still have parts that are only 32 bits wide. Similarly, CPU that are "bit" also have parts that are bits or more wide. This is why most people focus on the address space for a specific program rather than whether the hardware is "bit" or how much of it is "bit". It really doesn't matter until you get to a more specific question. Why are you asking about this? I hope this general overview helps your understanding of what people really mean when they are discussing their bits.

In a terminal window type uname -m. Go to the Apple Menu and select "About this Mac". Mac OS X is fairly bitness-agnostic, so either should work. If still in doubt, use the bit version. Then look at the column Kind. If it says Intel , then you are currently running 32bit mode. If it says Intel bit , then as the text says, you are running 64 bit mode.

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You must show All processes , from te dropdown next to the search box filter. Then you can check Nate Bird 's answer on what processor you have and the supported modes for it. Many OS X programs come in universal binary format, meaning that they have multiple versions some combination of PowerPC bit, PowerPC bit, Intel bit, and Intel bit included in the same file.

Eclipse apparently doesn't come this way, so you have to decide which version to download. I'm not familiar enough with it to know if it has to run in the same mode as what you're trying to debug; if so, run your program, and look for it in Activity Monitor to see what mode it's running in. If Eclipse doesn't have to be in the same mode or the Java code just runs inside Eclipse , then you can use either one unless you're on a bit-only CPU, i. Core Solo or Core Duo. Run uname -a in the shell to show details about the kernel.

What Apple's 32-bit app phase-out on Mojave means to you

As already stated by Gordon Davisson, fat binaries may include both bit and bit executables of a program see also Multiple Architecture, Single Build. By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies.


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Home Questions Tags Users Unanswered. How to check whether my Intel-based Mac is bit or bit Ask Question. CajunLuke What version of the OS are you running? When was your MacBook Pro built? It's quite simple. Go to the Apple logo and select "About this Mac. If it says Core 2 Duo, then it is 64bit ignore the 32bit kernel issue, it will run 64bit software just fine.

Physically, if your MBP has a black keyboard, it is absolutely 64bit.

The original MBPs had a silver keyboard and the 32bit units were all but replaced in early So if you purchased your model even in the later course of , then it is a Mac capable of running 64bit. Also, if you are running Lion, then you are 64bit as Lion does not run on 32bit Macs. Paul Lefebvre Paul Lefebvre 1 5. System Profiler isn't installed on my machine—or Spotlight can't find it—so this answer won't work for everyone. Contents bit vs.

Mac Operating System - bit or bit? A bit operating system typically only allows for up to about 4 gigabytes of RAM to be utilized by the OS or any of the installed programs.

Therefore, it makes sense to only install bit programs on a bit operating system, as a bit program would not be able to access any more RAM than a bit program on a bit operating system. A bit operating system allows for much higher RAM access and capacity. See your specific operating system specifications for further information on how much memory RAM can be utilized by your specific OS.


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  5. Quick Fact - A bit operating system will allow for both bit and bit programs to be installed. Quick Fact - A bit plugin can only run in a bit host program.

    How to See if Your Mac’s Processor is 32-bit or 64-bit

    On the right side of the window that opens, locate and right-click on the word Computer. Then choose Properties. In window that appears, find the section titled System. Next to System Type , it will state whether the operating system is bit or bit. On the left side of the window that opens, find My Computer and right-click on it.

    Choose Properties. If you do not see x64 Edition listed under System, then you are running the bit version of Windows XP. To determine if you have a bit capable processor: Click on the Apple menu and then choose About This Mac. Locate the Processor Name. Once you have located the processor name, compare it to the table below to determine if the processor is bit or bit capable. To determine if your Mac OS is running in bit or bit mode: In the Contents pane, choose Software. If bit Kernel and Extensions: To Switch Between bit and bit mode: While powering ON the Mac: If your Mac uses the bit mode by default, but supports the bit mode, you can start up in bit mode by holding the 6 and 4 keys during startup.

    64 bit - How to check whether my Intel-based Mac is bit or bit - Ask Different

    If your Mac uses the bit mode by default, you can start up in bit mode by holding the 3 and 2 keys during startup. All versions of Ableton Live prior to version 8. To determine what version of Ableton Live is currently installed and whether or not it is a bit or bit installation, follow the steps suggested below: Open Ableton Live.

    See below for specific locations: Ableton Live 8 pre 8. To start the conversation again, simply ask a new question. Posted on Feb 17, Page content loaded. Feb 18, 3: Feb 18, 4: So go here everyman. Feb 19, 5: Jan 20, 5: M stands for Mobile. The Intel Core M is the line of mobile processors for the ultra thin computers. If you are asking whether its 32 or 64bit, then its 64Bit. Intel has not made a 32Bit processor in several years.

    Feb 12, 9: Feb 13, 8: