Answer:
The answer is below
Explanation:
There are cases where the use of a NULL value would be appropriate in a computer programming situation. These cases can be summarily described below:
The first case is in a situation where the value of the attribute of a certain element is known to exist, but the value can not be found
The second case is in a situation where the value of the attribute of a certain element is not known whether it exists or not.
Answer: Click the System Preferences icon on the dock. In the first row, click Desktop & Screen Saver.
Explanation: When it comes to macOS versions, Mojave and High Sierra are very comparable. The two have a lot in common, unlike Mojave and the more recent Catalina.
format>number>percent
Explanation:
You click the box you want to convert into a percentage and then at the top where it says file, edit, view, insert, format, data, tools, add-ons and help, click format then number and then percent. This should convert your number into a percentage.
Answer:
ClamAV is the open source antivirus you can in your Linux machine.