Computer Organization and MIPS

Q1. For Instructions a) and b) below:

a) 1010 1110 0000 1011 0000 0000 0000 0100

What type of instruction is this?

Write out the instruction in full in MIPS assembly language:

b) 1000 1101 0000 1000 0000 0000 0100 0000

What type of instruction is this?

Write out the instruction in full in MIPS assembly language:

Q2. Translate the following C program into MIPS assembly language. Allocate registers as you need, but document the allocation.

if (x==y)

z = x+y;

else

if (x==(y+1))

z = x-y;

else z = 0;