Question $4(4$ points$)$

Suppose a computer has $16-$bit instructions. The instruction set consists of $32$ different operations. All instructions have an opcode and two address fields $($allowing for two addresses$).$ The first of these addresses must be a register, and the second must be memory. Expanding opcodes are not used. The machine has $16$ registers. How many bits are needed for a register address?

$6$

$2$

$4$

$8$

Question $5(2$ points$)$

RAID Level $4$ is essentially RAID$-0$ with parity.

True

False