Hi teacher, can u help me answer all the question? If your answer is true I will upvote you Q1 Ali wanted to write a program where the data would be stored as linked storage. Which of the following would be the DISADVANTAGE(s) of saving data this way? 1. When the file size gets larger there will not be space to save the file II. It takes more space than just contiguous block III. If one of the data blocks is corrupted the entire file could be lost IV. If one of the addresses in the index where data is saved is lost the entire file could be lost Select one: O A II and Ill only OB. I and IV only C I, II, III and IV OD. III and IV only Q2 a binary semaphore i. Has only two value for its variable ii. is used to create mutual exclusion situation in process synchronization. iii. does not guaranthe only one process can enter critical section iv. is used to create turns for many processes trying to access a resources. Select one: O A i and iv only. O B. i and ii only OC i, ii and iii only OD. i, ii, ii and iv Q3 The diagram below captures the layer file system process. Derice Range Basic System 6 2 cans . Comel Meterie 5 porte bitarta Hotele 3 Lokalite System 4 Pleyton Which module above would most probably send information such as below: "Read drive2, cylinder 99, track 4, sector 10,to mem loc 2000 Select one: OA 3 OB. 4 Oc1 OD. 5 OE 2 ( Q4 Which of the step(s) below can help improve I/O performance? I. Reduce interrupts by using large transfers of data. II. Use DMA III. Balance CPU, memory, bus, and I/O performance for highest throughput IV. Move user-mode processes / daemons to kernel threads Select one: O AI and II only OB. II and III only OC I and IV only OD. 1, 11, III and IV O E. None of the above