Identify measures to protect your computer against threats from human actions. the system administrator informs you that a trojan horse has infected your computer. which program did the system administrator use to determine this?

Antivirus is that program which helps the system administrator to determine the Trojan horse.

Explanation:

The Trojan horse is the malware which fools the system administrator is that file cannot harm your device.

Trojan is the type of virus that allows hackers to remotely control and access your system. This virus can decrease the performance of your device and your system is not working properly and popups and the advertisements can interrupt your browser.

Precautions:

Firstly, ensure that the Trojan antivirus is installed and running on your computer.

All the software of your system is up to date to its latest version.

And never download and install any file from that site which is not fully trusted.

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.