Computers saves storage place. Imagine how much paper would have to be used, how many trees would have to be cut just to store information which is today on hard disks. Data stored on just one CD in paper form would use room of dozens square meters and would weight thousands of kilos. Nowadays techniques of converting data from paper to digital form has also tremendously developed. You can simply rewrite the text using a keyboard. If you are not good at it you can use a scanner to scan necessary documents. At least there are special devices which can transfer our voice into text. Thanks to computers banks, private and government companies, libraries, and many other institutions can save millions of square meters and billions of dollars. Nowadays we have access to billions of information and due to the computer's capabilities we actually don't need to worry not only how to store them but also how to process them.