1st question tha k First fit memory allocation,Find the first fit for: a) 12KB b) 10KB c) 9KB Memory blocks 10KB,4KB,20KB,18KB,7KB,9KB,12KB,15KB 2nd question: wrote 3 access method for protecting file in UNIX? 3rd question: deadlock, starvation, violation of memory exclusion ki statement di thi btana tha k in m Sy kiski konsi h 4th question: HR is hit ratio and MR is miss ratio then write formula of EAL and calculate Teffective Given data is Tmm(aisa hi Kuch tha ab yaad ni) = 120nsec TTLB = 20nsec HR = 80% 5 question: RAG given tha WFG bnana tab aur btana tha k deadlock occur Hoga k ni 6 question: statements table ki form m given thi btana tha fork()Konsa aur vfork() Konsa 7 question: S semaphore tha aur wait aur signal ka code likhna tha : a) Check the condition less then or equal to