can you please give me the right answer and explanation for this

In a FU replacement algorithm

A. The cache line with less hits remains in the cache

B. The cache line most recentlv accessed remains in the cache

C. The cache line least recently updated remains in the cache

D. None of the given options

2. For the MIPS Jump instruction: J 0x20000AC. calculate the target address if PC+4 value is

ox80008000

A. 0x880002BO

B. 0x820000AC

C. OxA00002B0

D. OxA00000AC

3. Given a 32Kx16 bit DRAM. How many of these are required to build a 1Mx32 bit memory?

A. 16

B. 64

C. 32

D. 128