Hello,

What is the difference between 8 bit, 16bit and 32 bit microprocessor? Please tell me the answer I'm waiting for your post.

 

Thanks

i know the difference between 32 bit and 64 bit, 32 bit means you have a 32 prong cpu, 64 bit means you have a 64 prong cpu (i dont knowif prong is the right word) if you have a 64bit cpu you can use 64 bit operating systems, which means that the memory and cpu power is spread equally, if you use a 32 bit operating system on a 64 bit cpu you only get half of the speed, but in some cases depending on what your doing on the computer, 64bit can be a nighmare, it may be more stable but alot of applications have to be made 64bit and there arnt many.

 

 

16 is half of 32 which means you would get half of the speed of a 32 bit cpu

 

and 8 is half of 16 so then you would get half the speed of a 16 bit cpu, i dont know if there are special os's to run on 8bit and 16 bit, i think DOS might have run on those because i cant see any of our modern OS's running ona 8 bit or 16 bit cpu.

A 8 bit processor can process 8 bits of data per clock cycle

A 16 bit processor can handle two sets of 8 bits of data per clock cycle

A 32 bit processor can handle four sets of 8 bits of data per clock cycle

A 64 bit processor can handle eight sets of 8 bits of data per clock cycle

 

As a result a 64 bit processor can handle more complex mathematical transactions faster than the lower ones

Most people won't notice the difference between a 32 and 64 bit, until you start using graphic intense programs

 

In terms of data handling sadly it does not mean 64 is twice as fast as 32

The processor then needs to check the final sum, and this wastes about 10% of the processing speed

So lets say the input data is 985647 plus 765487

The processor first needs to convert it to binary giving :

11110000101000101111 plus 10111010111000101111

As you can see these are to the power 20

This gives a result of :

110101011100001011110

which is to the power 21

The 32 bit and 64 bit processors can handle this, typically in four clock cycles however the others will need to split the number into smaler chunks and process each one, which could quite easily increase the number of calculations by a factor of between 3 and 12

 

The final bit is to convert back to decimal giving :

1751134

 

And that is just for a simple addition...

Well someone did ask, and that is how they work behind the scenes

Although the processor may have 8, 16, or 32 prongs, that does not make it a 8, 16, or 32 bit processor (and one of the reasons why they are so easy to fake)

Hello...........

 

there are many differences between these microprocessors as:

8 bit computer can only display 256 colors while a 16 bit computer can display 64,000

 

colors.

 

32-bit processor core with 24-bit address bus

Unified instruction/data bus (AMBA 2 AHB)

Single-wire debug interface

Variable-length RISC architecture with 16-bit, 32-bit, and 48-bit instructions

Independent, decoupled pipelines

2-stage Instruction Fetch Pipeline (IFP)

2-stage Operand Execution Pipeline (OEP)

FIFO Instruction Buffer is the decoupling mechanism

ssipation

 

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