Mark all of the following that are valid design reasons that the FP and integer registers in the MIPS ISA are logically separated

A. The original MIPS ISA used a co-processor model for communicating with the floating-point unit

B. Integer instructions rarely use floating point operands, and vice versa

C. Integer operands are big endian and floating point operands are little endian

D. Floating point registers need their bits stored on floating gates