with explanation plz

Q5. A computer has a 32-bit instruction word broken into fields as follows: opcode, six bits; two register fields, five bits each; and one immediate operand/register field, 16 bits. (a) What is the maximum number of operations that can be specified? (b) How many registers can be addressed? (c) What is the range of unsigned immediate operands that can be provided? (d) What is the range of signed immediate operands that can be provided, assuming that bit 15 is the sign bit