Which SIMD extension is associated with speed improvements for multimedia operations and is mentioned alongside SSE2?

• A. MMX
• B. SSE2
• C. AVX
• D. NEON

Answer: (B)

The main idea here is how SIMD extensions accelerate multimedia workloads by doing parallel operations on data. SSE2 is an extension to the SSE family on x86 CPUs that adds a broader set of vector instructions for both integer and floating-point data. This allows processing multiple data elements—like pixels in an image or samples in audio—simultaneously in a single instruction, which speeds up video decoding, image filtering, and other multimedia tasks. SSE2 built on and expanded what MMX started, making it the go-to example of an SIMD extension tied to multimedia performance on x86, and is commonly discussed in that context. While other SIMD names exist (AVX broadens vector width, NEON is for ARM, MMX is an earlier precursor), SSE2 is the classic reference for speedups in multimedia operations mentioned alongside SSE-related discussions.