computer architecture problem

I need help with no.3 which is associated with no.2

2. Suppose you have a word addressed memory hierarchy system with the following parameters: Block size 16 words Main memory size 1K words. Cache size 128 words Block placement policy: Direct mapping The tag values in the cache directory are: Tag Cache Block Frame 000 101 101 000 101 000 101 000 (a) Give the address format for the memory system (b) Will main memory address 0x280 10 1000 00002) be a cache hit? Explain your answer. (c) Will main memory address 0x290 10 1001 0000) be a cache hit? Explain your answer. (d) Will main memory address 0x2A0 10 1010 0000) be a cache hit? Explain your