32bit vs 64bit. what is the difference between 32bit and 64bit?

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Friends if you are buying a pc or laptop so many people people confusing on one thing is bit(32bit vs 64bit).
Firstly, what is bit?
A bit is a smallest unit of data in a computer. A bit has a single binary valve , either 0 or 1. In a bit we have only two valves and two memory locations, if we have 2bit(2^2=4B) then they have four memory locations, if we have 3bit(2^3=8B) then they have 8 memory locations.
Let we talk about 32bit(2^32=4,294,967,296B) if we convert into GB(gigabytes) we will get 4GB that means 32bit processor have capacity to store 4GB data only...
Now we talk about 64bit(2^64=1.844674407370E19B) if we convert into EB(exabyte) we will get 16EB. This is huge memory compare to 4GB.



> 32bit processor have capacity to store only 4GB ram memory.
> 64bit processor have capacity to store upto 16EB ram memory.( We didn't have that much ram if we will get it in future)

  • 32bit processor:
Case(1): If your processor is 32bit and you have 4GB ram memory. Then your processor stores 4GB ram memory.
Case(2): If your processor is is 64bit and you have 8GB ram memory. Then your processor only stores 4GB ram memory another 4GB memory is not usable. Because 32bit processor didn't have capacity to store more than 4GB ram memory.
  • 64bit processor:
Case(1): If your processor is 64bit and you have 4GB ram memory. Then your processor stores 4GB ram memory.
Case(2): If your processor is 64bit and you have 8GB ram memory. Then your processor stores total 8Gb ram memory. In this case there is no wastage of ram memory. Because 64bit processor have capacity to store upto 16EB.

Example:(1)
  1. If your processor is 32bit and operating system is also 32bit and you have 4GB ram. Then your works.👍
  2. If your processor is 32bit and operating system is 32bit and you have 8GB ram. Now also your system works, but there is no difference in performance.👎
Example:(2)
  1. If your processor is 32bit and operating system is also 64bit and you have 4GB ram. Now your system didn't works, because your operating system is not suitable to 32bit processor.👎
  2. If your processor is 64bit and operating system is 32bit and you have 4GB and above. Now your system like 32bit system, but it will be a 32bit operating system. It will only run 32bit apps, and the usage of ram memory is 4GB and above ram is not usable.👎



So many people installing 32bit o.s in 64bit system. Then the performance is 32bit system only. My suggestion is Check your processor bit before installing any o.s....

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