FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A COMPUTER VIRUS

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 e-mails from wealthy Nigerians
C
Overabundance of cat videos on YouTube
D
Poor scores on FunTrivia quizzes
Explanation: 

Detailed explanation-1: -A slow-running computer is usually the first sign of an infected computer. If your computer used to start up quickly and run its applications with ease, be concerned if it suddenly runs very slowly and even simple tasks take a long to time execute.

Detailed explanation-2: -If you notice any or all these symptoms, your computer might have a virus and you should act: Suddenly slow computer performance, meaning it takes a noticeably longer time to start up or open programs. Problems unexpectedly shutting down or restarting. Missing files.

Detailed explanation-3: -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-4: -Viruses can be spread several ways, including via networks, discs, email attachments or external storage devices like USB sticks. Since connections between devices were once far more limited than today, early computer viruses were commonly spread through infected floppy disks.

There is 1 question to complete.