Question

McAfee is a/an ______.
1. operating system
2. virus
3. anti - virus software
4. system software

Answer 1

Correct Answer - Option 3 : anti - virus software

The correct answer is anti-virus software.

• McAfee
  • It is an anti-virus software.
  • Antivirus is a kind of software used to prevent, scan, detect and delete viruses from a computer.
  • Most antivirus software runs automatically in the background to provide real-time protection against virus attacks.

 

• McAfee:
  • It is an American security software company.
  • It was founded in 1987.
  • Headquarters- California
  • President and CEO- Peter Leav
• Computer virus:
  • A computer virus is designed to spread from host to host and has the ability to replicate itself.
  • A computer virus cannot reproduce and spread without programmings such as a file or document.
  • A computer virus is a type of malicious code or program written to alter the way a computer operates and is designed to spread from one computer to another.
  • A virus operates by inserting or attaching itself to a legitimate program or document.
  • A virus has the potential to cause unexpected or damaging effects, such as harming the system software by corrupting or destroying data.
  • Once a virus has successfully attached to a program, file, or document, the virus will lie dormant until circumstances cause the computer or device to execute its code.
  • For a virus to infect your computer, you have to run the infected program, which in turn causes the virus code to be executed.
  • Viruses can be spread through email and text message attachments, Internet file downloads, and social media scam links.
  • To avoid contact with a virus, it’s important to exercise caution when surfing the web, downloading files, and opening links or attachments.
•  Operating System (OS)
  • It is an interface between a computer user and computer hardware.
  • An operating system is software that performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
  • Some examples of OS are Linux Operating System, Windows Operating System, VMS, OS/400, AIX, z/OS, etc.
• System software
  • It is a type of computer program that is designed to run a computer's hardware and application programs.
  • Examples: Programming languages, Language translators.