MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SYSTEM SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Newer antivirus programs not only check a computer’s disks and memory for viruses, but can also check email messages and files as they are being downloaded from the Internet.Lesson 8-2
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -How Antivirus Works? Antivirus software scans the file comparing specific bits of code against information in its database and if it finds a pattern duplicating one in the database, it is considered a virus, and it will quarantine or delete that particular file.

Detailed explanation-2: -Antivirus is a kind of software used to prevent, scan, detect and delete viruses from a computer. Once installed, most antivirus software runs automatically in the background to provide real-time protection against virus attacks.

Detailed explanation-3: -Third-generation programs are memory-resident programs that identify a virus by its actions rather than structure in an infected program.

Detailed explanation-4: -Users must update their software regularly to patch security vulnerabilities ("holes"). Antivirus software also needs to be regularly updated to recognize the latest threats. This is because malicious hackers and other individuals are always creating new viruses.

There is 1 question to complete.