Virus in computer via Internet by Sundas ilyas KianiSundas Kayani
A computer virus is a program that can copy itself and spread from one computer to another, often through email attachments, downloads from untrusted websites, or pirated software. The most common way viruses enter computers is via the internet by opening email attachments, downloading files, or visiting infected websites, as viruses can hide in files and spread before being detected.
Computer viruses are programs that spread from one computer to another and can damage computers. They are often spread through email attachments which run programs that then infect the computer. It's important to have antivirus software installed and to avoid opening suspicious attachments. Once infected, viruses need to be removed as soon as possible using antivirus scanners to prevent further damage.
This document provides an overview of computer viruses and anti-virus software. It defines what viruses are and how they spread, describes common types of viruses. It then explains what anti-virus software is, how it works to detect and remove viruses, and lists some popular anti-virus programs. It concludes with a brief history of anti-virus software development from the late 1980s onward.
The document defines the Internet and its history, describing how it began as ARPANET with 4 sites in 1969 and became publicly available for commercial use in 1989. It explains basic Internet services like email, FTP, and Telnet that allow users to send messages, transfer files, and access remote computers. The document also details the World Wide Web and how hyperlinks and browsers allow users to navigate web pages. It describes how search engines work by allowing users to search their databases to locate information on the Internet. In closing, it lists some common uses of the Internet like online communication, software sharing, and e-commerce.
Virus in computer via Internet by Sundas ilyas KianiSundas Kayani
A computer virus is a program that can copy itself and spread from one computer to another, often through email attachments, downloads from untrusted websites, or pirated software. The most common way viruses enter computers is via the internet by opening email attachments, downloading files, or visiting infected websites, as viruses can hide in files and spread before being detected.
Computer viruses are programs that spread from one computer to another and can damage computers. They are often spread through email attachments which run programs that then infect the computer. It's important to have antivirus software installed and to avoid opening suspicious attachments. Once infected, viruses need to be removed as soon as possible using antivirus scanners to prevent further damage.
This document provides an overview of computer viruses and anti-virus software. It defines what viruses are and how they spread, describes common types of viruses. It then explains what anti-virus software is, how it works to detect and remove viruses, and lists some popular anti-virus programs. It concludes with a brief history of anti-virus software development from the late 1980s onward.
The document defines the Internet and its history, describing how it began as ARPANET with 4 sites in 1969 and became publicly available for commercial use in 1989. It explains basic Internet services like email, FTP, and Telnet that allow users to send messages, transfer files, and access remote computers. The document also details the World Wide Web and how hyperlinks and browsers allow users to navigate web pages. It describes how search engines work by allowing users to search their databases to locate information on the Internet. In closing, it lists some common uses of the Internet like online communication, software sharing, and e-commerce.
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