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    Windows 7 supports 64-bit programs smoothly than other OS

    Windows 7 is available in 32 bit format and 64 bit format. In 32 bit format the amount of memory available for programs is near 4 GB of Ram. Whereas in 64 bit format the amount of addressable information 1,8446,744,073,709,551,616 bytes of information. The development of software has been at the 32 bit range for over 15 years. But 64 bit operating systems have been around for about 10 years. The original transition was from 8 bit to 16 bit then to 32 bit. Now at the 64 bit level the Operating System is used to take advantage of the 64 bit CPU.

    The problem, however, is that many applications have not been redesigned to deal with the new processing features of either the processors or the new Operating Systems, in this case Windows7. There are nontheless, some applications that have been written for the new processor or OS. In that case Windows7 has made a modification to its Windows Explorer by adding two folders Program Files, and Program Files (x86).

    New Data Formats
    The programs that are in 32 bit format may run on 64 bit; but the progams have to do more than address the new memory elements. There is a change to a completely different method of keeping track of data, because now the operations that take place in the 64 bit CPU are novel. This explains why new 64 bit hardware, like a sound or video card needs a different driver to work in Windows 7 64-bit.

    Ultimately switching from a 32-bit to 64-bit application format and to the new operating systems is complicated. Every software vendor, hardware manufacturer, and user would have to do a switchover and stop working with anything built on a 32-bit architecture and switch to using 64-bit. This is impractical because most people are not willing to just junk their investment in hardware and software and buy everything new again. Consider that the performance gain might only be a few seconds, that is hardly enough reason to switch over. Especially if the performance that can be gained can come from simply adding more memory.

    Indeed, the only real reason to use a new 64 bit program is if the program can operate and do new things that a 32 bit program cannot do.

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