The Difference Between 32 and 64 Bit Computer Systems

Source: Internet
Author: User
Keywords difference between 64 and 32 bit os what is the difference between 32 and 64 bit os difference between 32 bit and 64 bit os

We all know that there are 32-bit and 64 bit computer systems, but what is the difference? What kind of computer should be equipped with which operating system is better? In addition to professionals, most ordinary users should not be clear about it. After reading today's dry goods, you will not be afraid to buy a computer because you do not understand and pit do not know.

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What is the difference between a 32-bit system and a 64 bit system?

1. Ability to process data
32 bits and 64 bits represent the maximum number of bits that the CPU can process at a time. Theoretically speaking, the data processing efficiency of 64 bit system is higher than that of 32-bit system, which is equivalent to driving in single lane or double lane. There are more vehicles passing in two lanes per unit time. But it needs memory to keep up, and the program itself is a 64 bit compiler to give full play to the advantages of 64 bit system.
2. Different memory supported (different addressing capability)
Many people don't know what the address ability is. In fact, it simply means that the computer can find out how much space (memory) a software data is stored in.
The maximum addressing space of 32-bit system is about 4 (GB) when the 32th power of 2 = 4294967296 (bit), while the maximum addressing space of 64 bit system is 64 power of 2 = 32th power of 4294967296 (bit), and the value is more than 100 million GB.
In other words, 32-bit systems can only find things in 4GB of memory at most, and 64 bit systems can support up to 100 million bits of memory. However, that is only a theoretical value. In actual use, most 32-bit systems can recognize 3.5GB of memory, and 64 bit systems can identify 128GB of memory at most.
3. Software compatibility

32-bit system can not run 64 bit software, 64 bit system can install most 32-bit software. Before, because most of the software is based on 32-bit architecture environment, the compatibility of 64 bit system is not as good as that of 32-bit system. But now 64 bit compatibility is also very strong, basically can be compatible with all kinds of software, and 64 bit virus are much less. Especially graphic design software, 64 bit and 32-bit software are very different in 64 bit system, 64 bit is really much faster.

So how do you know what system your computer is suitable for?

1. If the CPU is 32-bit, only 32-bit system can be configured. If the CPU is 64 bit, you can install 32-bit or 64 bit system. But now basically only special old computer CPU does not support 64 bit.
2. Memory below 4GB or with 32-bit system, it is hard to install 64 bit system is not moving. If the memory has 4GB or more, a 64 bit system can be configured. If a 32-bit operating system is installed, the computer can only recognize more 3G if it is installed with a larger memory module. However, if you install a 64 bit operating system, you can also identify it by adding more memory. For example, if you want to add 4G memory to 4G memory module, the computer can recognize more than 7g of memory, and 32-bit memory will always be more than 3G.
Some people buy and assemble computers, which are obviously 4GB or above, but the businesses install 32-bit systems for you, which is a waste.

How to see how many bit system is your computer?

Right click "computer" - properties to see.
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