S1:False because the number of bits in the memory address, the number of bits assigned to the tag, the number
of bits assigned to the word id, and the number of bits assigned to the set id can only tell you how many sets
there are. You need to know the number of lines per set in order to calculate the number of lines.
S2: True Write through will create more bus traffic because it will simultaneously update both Cache and Ram.You can imagine a situation where a huge amount of memory references are made and then CPU will be busy in just updating them through System and Data Bus.