Search online for the various configuration processors available. Mention the brand names that are widely used.

Some of the configuration processors that are available are:

Phenom X4: Phenom X4 is the first quad-core microprocessor family that depends on K10 microarchitecture. Phenom X4 CPUs make use of four-digit model numbers that begin with 9. The remaining three digits in the model number show relative processor performance.

Athlon: Athlon is a seventh generation x86 processor. Athlon dynamically buffers internal microinstructions at runtime. These microinstructions result from parallel x86 instruction decoding.

Sempron: The first Sempron CPUs depended on the Athlon XP architecture using the Thoroughbred or Thorton core. These models were equipped with the Socket A interface, 256 KiB L2 cache, and 166 MHz front-side bus (FSB 333). These models use different technologies and CPU socket formats.

Opteron: Opteron is AMD's x86 server and workstation processor line. It was the foremost processor to support the AMD64 instruction set architecture. The Opteron processor has an integrated memory controller that supports DDR SDRAM, DDR2 SDRAM, or DDR3 SDRAM (depending on the processor generation). This both decreases the latency penalty for accessing the main RAM and does not require a separate northbridge chip.

The brand names widely used are Intel and AMD.

i think the answer is a or d

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