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.
Based on the Microsoft Excel data validation, the option that is not an Error Style for data validation is the <em><u>choice that does not show an error alert.</u></em>
Given that there is no option available, the best way to answer this question is to show the types of Error Styles for data validation available.
<h3>Different types of Error Style for data validation</h3>
- Stop style: this will bring the option of "Retry, " "Cancel, " and "Help."
- Warning style: this will show "Continue," with options of "Yes," "No," "Cancel," and "Help."
- Information Style: this will ask you to input the whole number with the option of "Ok," "Cancel," and "Help."
Hence, in this case, it is concluded that the Error Style for data validation is Stop, Warning, and Information Style.
Learn more about Error Style for data validation here: brainly.com/question/18497347
A. Click on any cell in the row
The answer would be a C class fire extinguisher.