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  2. Jerusalem (computer virus) - Wikipedia

    en.wikipedia.org/wiki/Jerusalem_(computer_virus)

    This virus is a multipartite virus, so it has several methods by which it can infect and spread: disk boot sectors as well as .COM and .EXE files. Because of this, how the virus works is dependent upon the origin of the virus (boot sector or program). When a contaminated program is executed, the virus resides in memory, taking 5 kB.

  3. Ping-Pong virus - Wikipedia

    en.wikipedia.org/wiki/Ping-Pong_virus

    The original Ping Pong virus (Ping-Pong.A) only infects floppy disks. Later variants of this virus such as Ping-Pong.B and Ping-Pong.C also infect the hard disk boot sector as well. While the virus is active, one cannot replace the boot sector—it either prevents writing to it or it immediately re-infects it.

  4. Computer virus - Wikipedia

    en.wikipedia.org/wiki/Computer_virus

    This is an accepted version of this page This is the latest accepted revision, reviewed on 7 December 2024. Computer program that modifies other programs to replicate itself and spread Hex dump of the Brain virus, generally regarded as the first computer virus for the IBM Personal Computer (IBM PC) and compatibles A computer virus is a type of malware that, when executed, replicates itself by ...

  5. Brain (computer virus) - Wikipedia

    en.wikipedia.org/wiki/Brain_(computer_virus)

    Brain affects the PC by replacing the boot sector of a floppy disk with a copy of the virus. The real boot sector is moved to another sector and marked as bad. Infected disks usually have five kilobytes of bad sectors. The disk label is usually changed to ©Brain, and the following text can be seen in infected boot sectors:

  6. Hard disk drive failure - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive_failure

    A hard disk drive failure occurs when a hard disk drive malfunctions and the stored information cannot be accessed with a properly configured computer. A hard disk failure may occur in the course of normal operation, or due to an external factor such as exposure to fire or water or high magnetic fields , or suffering a sharp impact or ...

  7. Why do I have so many pop up ads? Your computer could ... - AOL

    www.aol.com/lifestyle/why-many-pop-ads-computer...

    When faced with a pop-up that tells you your system has been compromised by a virus, malware, or ransomware, Levin says to play it cool. ... to monitor your computer 24/7, preventing malware ...

  8. Form (computer virus) - Wikipedia

    en.wikipedia.org/wiki/Form_(computer_virus)

    As with most boot viruses, a Form infection is a rare find in modern times. Since the advent of Windows , boot viruses have become increasingly uncommon, including Form. Generally, Form infections are due to the use of floppy disks infected during the original pandemic that have since been taken out of storage.

  9. Recovery disc - Wikipedia

    en.wikipedia.org/wiki/Recovery_disc

    A typical recovery disk for an Acer PC.. The terms Recovery disc (or Disk), Rescue Disk/Disc and Emergency Disk [1] all refer to a capability to boot from an external device, possibly a thumb drive, that includes a self-running operating system: the ability to be a boot disk/Disc that runs independent of an internal hard drive that may be failing, or for some other reason is not the operating ...

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