Yes. System Center 2012 Configuration Manager includes two new collection rules, the Include Collections rule and the Exclude Collections rule that allow you to include or exclude the membership of specified collections.
No. Unless you were in a prerelease program that was supported by Microsoft (such as the Technology Adoption Program or the Community Evaluation Program) there is no supported upgrade path for prerelease versions of System Center 2012 Configuration Manager.
Yes. The Configuration Manager console is a 32-bit program that can run on a 32-bit version of Windows and on a 64-bit version of Windows.
For System Center 2012 Configuration Manager SP1 and later you can manage Mac and Linux Machine also.
By Creating a Collections of users and devices we can manage our devices in SCCM2012.
Configuration Manager requires to install a piece of software on those devices which you want to manage, called SCCM Client Agent.
Windows Devices (XP, Vista, Windows7, Windows8, Windows8.1, Windows10 and Server Operating System later than 2003), Unix and Linux Distributions ,Mac Devices and Mobile Devices (Windows Mobile, Android and IOS) are managed.
Microsoft System Center Configuration Manager 2012 (SCCM 2012) is a Windows product that enables administrators to manage the deployment and security of devices and applications across an enterprise. SCCM is part of the Microsoft System Center 2012 systems management suite.