Difference Between 32 bit and 64 bit operating system

We often come across the 32 bit and 64 bit operating systems in the computer world. Let us see the difference between those two.

What is 32bit and 64 bit?

32bit and 64 bit are the term whis is used to mention the bytes of data which can be processed by the RAM from processor in a single time. Simply we can say 32 bit OS means A processor can Read/Write 2^32 of bytes of data in RAM for a single machine cycle. and 64 bit OS means A processor can Read/Write 2^64 of bytes of data in RAM for a single machine cycle.

Let us go in deep

2^32 =   4294967296

So a 32 bit OS suits up to 4GB RAM, Using more than 4GB RAM for 32bit OS is useless and it will act as 4GB RAM only.

2^64 = 18446744073709551616

Yes a big number, 64 bit OS can be used for 16 exabyte of RAM. But this 16 exabyte is not for all it depends on the OS and processor.

Now a days all the OS and processors are upgrading to 64 bit only so the next think about the bit of OS processor and RAM before choosing it.

Cheers!!!!
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