They use electrical energy. Majority of devices that people now use are controlled by semi conductor components. Your answer is they are using electrical energy! But sometimes they do use radiation.
I can help with two.
Web Scripting Virus, A sneaky virus that targets popular websites. What this virus does is overwrite code on a website and insert links that can install malicious software on your device. Web scripting viruses can steal your cookies and use the information to post on your behalf on the infected website.
FILE INFECTOR, targeting executable files (.exe), file infector viruses slow down programs and damage system files when a user runs them.
Answer:
Following are the solution to the given question:
Explanation:
Please find the following Excel form for calculating the bonus as required. Please ensure the equation is duplicated even so, with the sign "=." It is possible to insert this formula into cell L12. Then cut/paste the cell into other L12:L39 cells.

The mixed microbial reference here is used in L7, L8, and L9 so these cell references are not moved whenever the formula is copied to L12:L39.
Please verify that whenever the copy has also been copied, the cell formula appears beneath in each cell.
It must be as below in L12.

It must be as follows in L13.

and so on.
Answer:
read-only properties.
Explanation:
Only the read only properties can view but cannot change the data.The user don't have access to the no access properties, full-access properties can read and modify the data.The write only properties can only modify the data.So to only view the data the data should have read only properties.