32-bit computing

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32-bit computing

CPUs that process 32 bits as a single unit, compared to 8, 16 or 64. Although 32-bit CPUs were used in mainframes as early as the 1960s, personal computers began to migrate from 16 to 32 bits in the 1980s. Starting with the first 32-bit 386 chips in 1985, Intel x86 CPUs were built with a 16-bit mode for compatibility with 16-bit applications (see 386).

The 32-bit mode does not result in two times as much real work getting done as in 16-bit mode, because it relates to only one aspect of internal processing. The CPU's clock speed, along with the speed, size and architecture of the disks, memory and peripheral bus all play important roles in a computer's performance (see throughput). See 64-bit computing and bit specifications.

References in periodicals archive ?
The high-speed processing of the 32-bit CPU means that the load on the CPU is less than 10 percent even during 64-key control.
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Featured with 32-bit CPU with processing speed of over 4000 DMIPS, M3701M is proved to outperform other similar solutions currently available on the market in terms of operating and processing power.
The printer has a high speed, 32-bit CPU for throughput printing speeds of up to 4" per second and a maximum roll diameter of 2.
a supplier of multimedia RISC CPU cores, have announced that SuperH's SH4-202 32-bit CPU core has achieved "Silver IP" status at UMC for the foundry's 0.
Oki's ML674K series of MCU products announced earlier this year are aimed at designers seeking 32-bit CPU performance at a price that is highly competitive with 8-bit and 16-bit products.
OpenRTOS and FreeRTOS have just been released for the Cortus APS3, a 32-bit CPU for small footprint, low power applications.
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With more than 13 years of experience in the embedded processing and semiconductor markets, Gangesh brings marketing, sales and product management expertise to drive Ubicom's market share and global expansion in the 32-bit CPU market.