To keep a desktop computer or a server powered up when the electricity goes off in addition to protection against power fluctuations, an <u>uninterruptible power supply (UPS)</u>, which contains a built-in battery, can be used.
<u>Explanation</u>:
An uninterruptible power supply (UPS) is a device that allows a computer or server powered up for a short time, when the electricity goes off. UPS device also provides uninterrupted service during power fluctuation.
A battery is inbuilt in the UPS and provides power for few minutes to the computer to shut down it in a proper manner.
UPS is available at affordable cost and can be maintained at low cost compared to generators.
<h2>Answer:</h2>
<u>Screen recorder</u><u> is the least recommended one</u>
<h2>Explanation:</h2>
There are three types of recorders. They are Smart Recorder, Web Recorder and Screen or sometimes called Standard Recorder. Smart Recorder is used for desktop applications while Web recorder is used for Web-based applications. The least recommended one is Screen Recorder which is used for building simple tasks that involves few mouse clicks and keystrokes. It works by capturing screen co-ordinates and therefore, no calibration is taken into account. It is generally used when you plan to run the task on the same machine on which, it was recorded.
