because if u dont it might not work u know??? couse if dust gets in and also so it looks clean my answer both
The reason why you would use a computer cover is to protect your monitor, CPU, keyboard, and printer from computer damaging dust. Using a computer dust cover also will protect your computer from harmful particles that can increase overheating.
Because otherwise dust gets in between the keys.
Dust resperator
It will make it unclean
chemicals and pollution
They protect you eyes from dust.
Protect the book
service the keyboard. the dust inside the key.
Affects the D.O.S Operating system
dust cover is protect your computer from dust particles so dust cover is important i also covered my computer to dust cover
Key guard is a simple silicon or plastic type mat with glue which you can stick on your keyboard and it will protect your key from water, dust etc. But generally if you don't have one key guard for your key board then it's also alright.
The main benefit of using a keyboard cover, which is placed on top of a computer keyboard, is that the keyboard is protected from dust, beverage spills and food crumbs. Additionally, keyboard covers are usually washable, so it is easier to keep the typing surface clean.