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It depends.
To see what I mean, I'm going to take the Intel Pentium Pro as an example. This was top of the line in consumer hardware in 1995 (which, you will recall, was 25 years ago).
It had 32-bit integer registers, giving 32-bit integer arithmetic and a 32-bit virtual address space.
However, it also supported a 36-bit physical address space.
The external ...
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If it is a 32-bit CPU I would expect the width of the data bus to be 32 bits. In addition, I would expect the size of the address bus to be 32 bits. However, you cannot count on that being true. For example, the 8088 was sold as a 16-bit CPU but it had a 8 bit path to memory.
In summary, they usually are 32 bits but they might not be.
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I have to study the following computer architecture more, but it looks exactly what I asked about, and that proves the question was actually very good, so, I will share this here right away. The single NOR gate computer, https://hackaday.com/2020/11/23/a-cpu-less-computer-with-a-single-nor-gate-alu/. Also, this article seems to describe a similar thing, with ...
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There have been completely mechanical computers which would still be considered computers (in the sense that they are turing-complete at least), but are arguably all hardware.
For example, Konrad Zuse developed mechanical logic gates (though the computers he built did use phone relays, it would be possible to produce a completely mechanical computer with ...
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Thats called a logic circuit. It computes stuff. No software here, only physical logic gates involved.
Even though technically a computer is a logic circuit...
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The term "cache size" generally refers to its data capacity, not to the sum of the data capacity plus all the other stuff as well. Similarly, the "state" bits, masks, LRU indicators, ECC bits, and so on, wouldn't be included in the "cache size", because they don't add capacity. It's similar to how a 1L bottle really takes up ...
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No. of RAM chips=1MB/256K=1024x1024x8/256x1024 =32.
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