Its important to have user accounts so you can save data and maybe log in and out of a device/cmp to another one. The purpose of the user account is to help save your stuff and personalize your device. The features are more data storage to add up, and ability to make more accounts for others so each of you can personally have their own account and save their own data on their own. Administrator accounts are the highest and have the most power of all, they are in charge of everything, especially giving permission to apps you may have downloaded and removing system apps. Users rights are the tasks specific users can do to make sure no user has too much power or less so to speak and it means what you are able/not able to do as well.
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.
Answer:
The phenomenon of total internal reflection of light is used in many optical instruments like telescopes, microscopes, binoculars, spectroscopes, periscopes etc. The brilliance of a diamond is due to total internal reflection. Optical fibre works on the principle of total internal reflection.
Explanation:
thank me later but if it wrong. sorry
The best and most correct answer among the choices provided by the question is the third choice "It will be a space laboratory for scientists"<span>
The main purpose of the International Space Station<span> is to provide an </span>international<span> laboratory for experiments within the </span>space<span> environment. Which, despite all our technological advances, is nearly impossible to replicate here on Earth.
</span>
I hope my answer has come to your help. God bless and have a nice day ahead!</span>
A mail server. --------------------------------------------
