64-Bit Operating Systems

Paper Summary:

This paper explains that a 64-bit processor is simply one that can work with numbers that are up to 64 bits long instead of 32 bits long as in a 32-bit processor. The author points out that computers with 64-bit processors can run database and other business programs faster, manage larger data files and databases, allow more concurrent users and applications to access data, and reduce software-licensing fees. The paper reports that a 64-bit processor can work on extremely large data sets very efficiently, at least in theory; however, modern 32-bit processors can now work on multiple 32-bit instructions simultaneously.

Table of Contents
Introduction
Understanding the Differences between 32-Bit and 64-Bit
How 64-Bit Processors Work
Advantages and Disadvantages
Conclusion

From the Paper:

"Performance benefits will increase when software is written specifically to take advantage of 64-bit processors. In this case, a 64-bit processor can perform an instruction on a larger chunk of data in one operation, but again, this is only of benefit if a user is working with very large numbers, or they need very high integer precision. As such, daily office applications and games realize very little benefit or improvement from 64-bit technology."

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