Question

The feature of SSE among the following is

(a) operate on four 32-bit floating points

(b) register size is of 128 bits

(c) no switching from one mode to other

(d) all of the mentioned

I had been asked this question in a national level competition.

The question is from Extended Instruction Set In Advanced Pentium Processors,  Formal Verification in chapter Pentium 4 processor of Microprocessor

Answer 1

The correct choice is (d) all of the mentioned

The explanation: The features of SSE(Streaming SIMD extensions) are

1. SSE instructions are SIMD instructions for single precision floating point numbers.

2. They operate on four 32-bit floating points.

3. The register size is of 128 bits

4. No necessity to switch from one mode to other.