CPU cores

The number of CPU cores is actually classified according to the number of address buses of the CPU. The number of address buses for a

single core is 8, and the number of

dual cores is 16. The number

of cores is 24

and so on. You only need to know the number of address buses, and then Divide by 8 to get the

address bus: the
address bus (Address Bus; also known as: address bus) belongs to a computer bus (part), which is used by the CPU or DMA -capable units to communicate with these units. The physical address of the computer memory element/place to access (read/write).
The address bus AB is specially used to transmit addresses. Since the address can only be transmitted from the CPU to the external memory or I/O port, the address bus is always unidirectional and tri-state, which is different from the data bus. The number of bits of the address bus determines the size of the memory space that the CPU can directly address. For example, if the address bus of an 8-bit microcomputer is 16 bits, its maximum addressable space is 2^16=64 KB , and the address bus of a 16-bit microcomputer It is 20 bits, and its addressable space is 2^20=1MB. Generally speaking, if the address bus is n bits, the addressable space is 2^n bytes.
The width of the address bus, which varies with the size of the addressable memory elements, determines how much memory can be accessed.
For example: a 16-bit wide address bus (commonly used in 8-bit processors in the 1970's and early 1980's) reaches 2 to the 16th power = 65536 = 64 KB of memory addresses, while a 32 A bit-addressed bus (usually in PC processors like today's 2004 ) can address 4,294,967,296 = 4 GB .
In most microcomputers, the addressable elements are 8-bit "bytes" (so "K" in this case is equivalent to "KB" or kilobyte), there are many computer examples with larger Data blocks act as their physically smallest addressable elements, such as mainframes, supercomputers, and some workstation CPUs.