MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

OPERATING SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the most common way people’s computers get infected by a virus?
A
Receive a call
B
Install a new hardware
C
Download email attachments
D
None of these
Explanation: 

Detailed explanation-1: -Clicking on links to malicious websites in emails, messaging apps or social network posts. Visiting compromised websites, aka drive-by downloads, viruses can be hidden in HTML, thus downloading when the webpage loads in your browser. Connecting your device to infected external hard drives or network drives.

Detailed explanation-2: -Thus, an email virus can not only infect the victim’s computer, but it can also infect the computers of everyone in the victim’s address book or those sharing the same network. There are three primary ways an email virus can infect a victim’s email and computer: via a phishing email. included in an attachment.

Detailed explanation-3: -Viruses spread by infecting other programs, either on the same computer or on other computers connected to it over a network. Any newly infected programs/computers will try to infect even more. Pure data files are safe. This includes graphics and sound files such as .

Detailed explanation-4: -Like the real thing, computer viruses replicate themselves, spreading through your operating system and network. At the same time, the virus is wreaking havoc: it can damage programs, delete files, and make devastating changes to your hard drive, all of which can result in reduced performance.

There is 1 question to complete.