COMPUTER FUNDAMENTALS

COMPUTER NETWORKS AND COMMUNICATIONS

NETWORK SECURITY AND CYBERSECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following may be an indication that a computer has been infected by a virus or other malware?
A
Computer runs very slowly
B
Excessive number of spam e-mails
C
Overabundance of cat videos on YouTube
D
A poor score on this quiz
Explanation: 

Detailed explanation-1: -Signs of an infection include your computer acting strangely, glitching and running abnormally slow. Installing and routinely updating antivirus software can prevent virus and malware infections, as can following cautious best practices.

Detailed explanation-2: -Slow computer performance (taking a long time to start up or open programs) Problems shutting down or restarting. Missing files. Frequent system crashes and/or error messages. Unexpected pop-up windows. New applications (toolbars, etc.) More items •02-Jun-2019

Detailed explanation-3: -Your computer or web browser has dramatically slowed down over a period of a few days/a week. Frequent freezing or crashing. Modified or deleted files. New programs or desktop icons that you do not recall installing/creating. Programs running without your consent. Programs closing without your consent. More items •11-Aug-2020

There is 1 question to complete.