The 64-bit processor has existed between us since 1992, and in the 21st century they are increasingly popular. Intel and AMD have introduced chip 64 - bit, and Mac G5 is a 64-bit processor.
64-bit processors have 64-bit ALU, 64-bit registers, 64-bit bus, and so on. Which is why we need 64-bit processor is due to their large addressing space.
Microprocessor 32-bit RAM has access to a maximum of 2 GB or 4 GB. It may sound like a lot, let alone most home computers usually only uses RAM 256 MB to 512 MB. However, the limit of 4 GB can be a serious problem for the server machine and database engine that runs great. Even 64-BIT PROCESSOR computer home in a short time limit may be hit with a 2 GB or 4 GB if the trend continues.
Chip 64 - bit does not have this limitation because the 64-bit address space is essentially infinite for the next few years - RAM 2 64 bytes is equal to approximately 18.4 billion GB of RAM! With 64-bit address bus and data bus speed and width on the motherboard, 64-bit machine also offers the speed I / O (input / output) is higher for the hard disk and graphics card. This feature can significantly improve system performance.
Server certainly can benefit from 64-bit chip, but what about normal users? In addition to RAM solution, it is unclear whether 64-bit chip offers a real advantage for "casual users" for now. 64-bit chip can process data quickly.
Those who do video editing and image editing on very large images can benefit from this much computing power. Upper-class games can also benefit, after their re-coded to take advantage of 64-bit features.
But the average user to read e-mail, Web browsing and editing Word documents are not actually using the processor for it. In addition, the operating system like Windows XP has not been upgraded to handle 64-bit CPU.
Due to the lack of benefits that can be felt, probably in 2010 or so we are only able to see 64-bit machine on every desktop.
Saturday, August 25, 2012
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