6) Which hardware flag must be tested by the CPU to determine when a device has completed an operation? a. Channel interrupt word b. Channel status word c. Device status word d. Device polling word 7) What is true about the width of the sectors on optical discs? a. It increases as you move toward the edge of the disc. b. It decreases as you move toward the edge of the disc. c. It remains the same across the entire disc. d. It is intentionally random. 8) In noncontiguous storage, one way to link file extents is at the storage level, where each extent points to the a. current subdirectory b. master directory entry c. next file in the sequence d. next extent in the sequence 9) Which filename differentiates one file from others in the same directory? a. Absolute b. Relative c. Directory d. Short-form 10) Which directory does the FIRST forward slash U) represent in the following UNIX or Linux system filename? /usr/imfst/flynn/inventory.doc. a. Root b. Branch C. Main d. Working