Advantage of using computer​

What are the advantages of using a computer?Although there are disadvantages to using a computer, we believe the advantages greatly outweigh the disadvantages (although we may be biased). Below is a list of the main advantages and benefits you'll get and society gets from using a computer.Increase your productivityComputers increase your productivity and, with a good understanding of the software running on them, you become more productive at everything you do. For example, once you have a basic understanding of using a word processor, you can create, store, edit, share, and print documents and letters. Each of these things was either impossible or slower with all pre-existing technologies.Connects you to the InternetConnecting a computer to the Internet is what unlocks the full potential of a computer. Once connected, your choices and available options are almost limitless. Many of the benefits listed on this page are with a computer connected to the Internet.Can make you money?When connected to the Internet, a computer could help you make money many different ways. For example, it's cheaper to create and run an online store than having a physical store. Also, once online, your store or product has a global audience and you could sell to anyone in the world.Save timeToday, there are many services that help save you time. Several examples are listed below.Using a site like Amazon, you can find many of the same products you would find at a store for the same price or cheaper. You can also have those items shipped to your door without having to leave your home.You could use an online banking site to view your bank balance and pay bills.If your favorite restaurant has a website, you can order take out without having to wait in line.You can view online traffic cameras and maps with traffic information to find the quickest route.

According to my brain it's a rational number because it can be put as a fraction

The answer is length!