After discussing the first main point of her speech on the exploration of Mars, Jeanne said:Let’s take a moment to recap. To this point we have seen that scientists have made important discoveries about the terrain of Mars, including its channels, basins, and polar caps. Now let’s move on from the terrain of Mars and look at the planet’s atmosphere. According to your textbook, what type of connective did Jeanne use?

Consider a file currently consisting of 200 blocks. assume that the file control block (and the index block in the case of indexed allocation) is already in memory. calculate how many disk i/o operations are required for contiguous, linked, and indexed (single-level) allocation strategies, for each of the conditions listed below. in the contiguous-allocation case, assume that there is not room to grow at the beginning but there is room to grow at the end. also assume that the block information to be added is stored in memory.