Answer: WordPress
Explanation:It is a kind of website where you can publish your content on any thing and can also buy domain there,if wanted
Answer:
False
Explanation:
Commercial applications such as google and brainly don't cost money but usually there is a way to pay and get better quality or cooler things.
Answer: D
Explanation:
Constraints are associations between multiple variables which set boundaries for the values these variables can take at the same time. They put limit on values that variables can accommodate.
Answer: A) Battery backup
Explanation:
A battery backup are used to provide the source of power backup to various hardware components and desktop computers. In many cases, the devices are plugged into UPS ( uninterruptible power supply) for backup power and it is also depend upon the size of the UPS.
All the battery backups are located inside so that is why, the devices are heavy in weight. Usually, the battery backup front required additional button for performing various functions.
And the battery backup devices are manufacture by using the varying degree of backup abilities.
