Review Note
Last Update: 05/28/2024 11:06 AM
Current Deck: SP FOC Y1 1B
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CPU bit standards
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If a CPU is 32-bit, the address bus is also 32-bit
memory locations = 2^(address bits)
OR 2^(max bits of instruction register)
memory locations = 2^(address bits)
OR 2^(max bits of instruction register)
Example: If address bit is 32-bit it can address up to 2^32 = 4 billion memory locations
Example 2: Intel 8086 is a 16-bit processor. It has a 20-bit address bus. It can address up to 2^20 (1024K) memory location.
Each memory location can hold a single byte.
Hence it can address up to 1024K x 1 Byte (or 1 MB) of memory space.
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