Efficiency because if you don't have very good efficiency then somebody can't really read it so they won't know what it's saying.
Answer:
Games, music, online classes, and videos.
<u><em>Does This answer your question?</em></u>
Answer:
Some of the application areas of computer are banking, education, industries, entertainments, hospitals, data processing etc. ... and also online education. Different types of entertainment fields such as multimedia, film making with animation, graphics, audio and visual design are done with the help of computer.