(est) ge De Which command creates "file1" file into "direct1 directory and "file" file into "username" directory. Assume your active directory is etc) mkdir direct1/filet username/file2 B) touch-direct1/file-username/file2 touch /home/username/file2wdirect1/file1 D) touch whome/username/filet direct1/file2 Which of the following expressions are true? II. Interrupt signal causes the CPU to stop what it is doing II. An I/O device has completed its job, it asserts an interrupt signal. III. Interrupt controller is a chip on CPU. OA) OB) I and III OC) 1, and III OD) I and II E) 11 (Root) bin etc have 37- Username best Which command adds the contents of file a.txt to file b.txt. (Assume your active directory is direct 1)? O A) cat>/a.txt>>-/direct2/b.txt B) cat /a.txt>>-/direct2/b.txt cpa.txt direct2/b.txt D) cp - Ja.txt>>-/direct2/b.txt E) cata.txt direct2/b.txt If the page size 's KB and main memory size is 16MB, how many bits are there in the page frame number part of the page table record? Caching disabled Modified Pope Frame Perception A) 12 3) 13 DI