If the answer is false, explain in details and comment on the correct answer. Iftheansweriscorrect, explain ni detail how$/$why $($you may state some features$).$ Support your answer with examples or drawings whenever possible. Most of the marks are allocated ot your rational, not for being true or false.a$)$ Valid bit si used ni cache memory ot reduce write through trafic.b$)$ Compared ot other cache mapping techniques we have studied, full$-$associative mapping suffers the most of cache overhead bits $($Tag bits, V$-$bits, and D$-$bits, etc.$)$ associated with each cache line.c$)$ Dirty bit is used in cache memory to reduce write back traffic.