Identify the unclear pronoun references in the following passage. Where necessary, rewrite the sentence so that all pronoun references are clear. Computer is a wonderful invention of modern science. Nowadays, no civilized nation can think even a day without it. As it is utterly important in our day-to-day life one should get more access to it. Its necessity is immeasurable. We must have wide knowledge about it. Trade or commerce, science or technology everything in the world is unthinkable without the help of computer. We must take the advantage of it. No one can keep pace with the fast changing world without getting this. But use of computer in our country is not up to our expectation. Most of us in our country do not have any knowledge of computer. Computer literacy is must for the students for the all-round development of any nation. So we must provide computer to them somehow or other.