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JSS3: COMPUTER STUDIES - 1ST TERM

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  1. Computer Career Oppurtunities | Week 1
    5Topics
    |
    1 Quiz
  2. Computer Viruses I | Week 2
    7Topics
    |
    1 Quiz
  3. Computer Viruses II | Week 3
    7Topics
    |
    1 Quiz
  4. Introduction To The Internet | Week 4
    4Topics
    |
    1 Quiz
  5. Internet Terminologies | Week 5
    4Topics
    |
    1 Quiz
  6. The Concept of Digital Divide | Week 6
    5Topics
    |
    1 Quiz
  7. Database Concept, Definition And Terminologies | Week 7
    4Topics
    |
    1 Quiz
  8. Database II | Week 8
    4Topics
    |
    1 Quiz
  9. Database III | Week 9
    13Topics
    |
    1 Quiz
Lesson Progress
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Below are some reasons your computer/laptop can get infected;

  • By using a contaminated floppy diskette.

  • By using viruses to protect files: When there was no law against software piracy, programmers had to protect their files, and virus as at that time was the only alternative and so it was used. In the process of copying the program, the virus is also copied and if the person has no knowledge of the virus, it becomes a nuisance, thereby preventing the owner from using the computer.

  • Writing a program in an unsuitable way, can easily attract viruses, and you may lose some of the files.

  • By using a virus as a tool for punishment: If there is a disagreement between an individual and a company, some people sometimes infect the computer, or some important files with a virus. This can cause a lot of damage. If the company does not have a backup, the virus will affect their data, to the extent that the company might fold up. If they discover the culprit, they will arrest him, lock him up or terminate his job.

  • Making money: Some programmers deliberately write a virus to infect programs. Lots of viruses, malware, and spyware found on computers, do not harm the computer all that much, other than slow it down. This malware is designed to capture information about the computer user, and send it to the person or company responsible for making the malware. The information they collect is then used to target advertisements to your computer, or device. These ads come in the form of e-mails and pop-ups on your computer. If enough computers get infected, they can earn money from all the ads displayed. The more ads they send out, the more chances they have of getting people to buy something, or visit the advertiser. Sometimes, all it takes is one virus or malware program to generate hundreds, or even thousands, of ads on your computer.

  • Some programmers deliberately infect the PC with viruses, in order to prevent it from loading some software into the memory of the computer.

  • Some people create viruses and malware because they enjoy causing trouble, and making others suffer. Some malware can crash an entire network system, and cause system outages for large companies, like banks or production companies. In the end, it is the thrill of seeing the havoc and chaos they can create, that drives them to create more viruses and malware.

  • Computer Fraud: Viruses can be used to steal information, like credit card details and other personal information, which can then be used for fraudulent activities.

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