Hi teacher, can u help me answer all the question? If your answer is true I will upvote you Q1 File management function of the operating system includes i. File creation and deletion ii. Disk scheduling iii. Directory creation iv. Mapping file in secondary storage Select one: O A ii, ii and iv only O B. i, iii and iv only OC. All i, ii, iii and iv OD. i, ii and ill only Which of the following statement(s) is(are) TRUE about the FAT file system? 1. They are used in the old MS/DOS operating system II. They utilize the sequential file allocation method. III. The FAT file system is used only for 16 bit OS. In FAT, adding a new block can be done by inserting it in the middle of the existing blocks. Select one: O A 1only OB. I and IV only OC II and Ill only OD. None of the above are TRUE OE. LII, III and IV Q3 Which of the following statement(s) is(are) TRUE about permissions on a directory 1. A read permission will allow user to see contents of files in the directory. II. A write permission will allow user to copy a file to the directory. III. An execute permission will allow a user to do a cd to a subdirectory under the directory. IV. A write permission will allow user to edit a file in the directory. Select one: O AI and Ill only O B. I, II and IV only OC. I, II, III and IV OD. Il and Ill only Q4 The fact that a system has a register where CPU will keep on checking for the status of device tells us that the process involve Select one: O A program controlled 1/0 OB. memory mapped I/O OC polling OD. Direct Memory Access