Answer:
Better collabaration and helping find bugs.
Explanation:
When working with a group of people, comments help the other person understand what you are doing.
Ex. //cat sprite
Also, it helps find bugs. For example, if the cat sprite is not working that means you know it has something to do with that peice of code.
Envelope - a flat paper container with a sealable flap, used to hold a small letter or document.
letterhead - a printed heading on stationery stating a person's or organization's name and address. A letterhead is very important when it comes to businesses.
Hope this helps! =D
If you mean you have no knowledge of the subject you're supposed to be researching, than that's the disadvantage, because you will have many,many different pages for what the search engines can relate what you're searching on to what it hints will help.
Disadvantages of using a computer when you don't know how to use a computer.
You don't know how to use a computer.
