Unix-like operating system use two internal tables to keep track of open files – the per-process file descriptor table and the system-wide file table. suppose on a unix-like operating system, process a has two files open and process b has three files open. two files are shared between the two processes. how many entries are in the per-process table of process a, the per-process table of process b, and the system-wide tables respectively?

Upper a report about the decline of western investment in third world countries included this: "after years of daily flights comma several european airlines halted passenger service. foreign investment fell 400 percent during the 1990 s." what is wrong with this statement? choose the correct answer below. a. if foreign investment fell by 100 % comma it would be totally eliminated comma so it is not possible for it to fall by more than 100 %. b. the actual amount of the decrease in foreign investment is less than 100%. c. if foreign investment fell by 100%, it would be cut in half. thus, a decrease of 200% means that it would be totally eliminated, and a decrease of more than 200% is impossible. d. the statement does not mention the initial amount of foreign investment.