1-bit architecture
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1-bit architecture
| Processors | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1-bit | 4-bit | 8-bit | 12-bit | 16-bit | 18-bit | 24-bit | 31-bit | 32-bit | 36-bit | 48-bit | 60-bit | 64-bit | 128-bit |
| Applications | |||||||||||||
| 8-bit | 16-bit | 32-bit | 64-bit | ||||||||||
| Data sizes | |||||||||||||
| bit nibble octet byte | |||||||||||||
| halfword word dword qword | |||||||||||||
| IEEE floating-point standard | |||||||||||||
| Single precision floating-point format (32-bit) Double precision floating-point format (64-bit) Quadruple precision floating-point format (128-bit) | |||||||||||||
In computer architecture, 1-bit integers, memory addresses, or other data units are those that are at most 1 bits (1/8 octets) wide. Also, 1-bit CPU and ALU architectures are those that are based on registers, address buses, or data buses of that size. 1-bit is also a term given to a generation of computers in which 1-bit processors are the norm.
An example of a 1-bit architecture actually marketed as a CPU is Motorola's MC14500 Industrial Control Unit.[1] There are also several design studies for 1-bit architectures in academia, and corresponding 1-bit logic can also be found in programming.
Another example of 1-bit architectures are programmable logic controllers.
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