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JSS3: COMPUTER STUDIES - 1ST TERM
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Computer Career Opportunities | Week 15 Topics|1 Quiz
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Computer Viruses I | Week 27 Topics|1 Quiz
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Computer Viruses II | Week 37 Topics|1 Quiz
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Introduction To The Internet | Week 44 Topics|1 Quiz
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Internet Terminologies | Week 54 Topics|1 Quiz
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The Concept of Digital Divide | Week 65 Topics|1 Quiz
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Database Concept, Definition And Terminologies | Week 74 Topics|1 Quiz
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Database II | Week 83 Topics|1 Quiz
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Database III | Week 913 Topics|1 Quiz
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Microsoft Access
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Opening And Locating Ms-Access
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Database Objects
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How To Close A Database And Exit Ms - Access
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Creating a Database
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How To Create a Blank Database
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Database Sheet In Database
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Saving a Table In Ms Access
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Setting Data Types In Access
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Sorting, Filtering, and Creating Relationships In Access
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Creating Queries In Ms-Access
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Creating Forms In Access
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Views In Microsoft Access
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Microsoft Access
Lesson 3,
Topic 1
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Signs of Computer Virus Infection
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Topic Content:
- Signs of Computer Virus Infection
Below are some possible signs that your computer may have been infected with a computer virus;
- The appearance of strange characters.
- Appearance of double extension on recently opened attachments e.g .vbs, .gif, .jpg, .exe.
- When applications on the computer do not work properly.
- When disk drives are inaccessible.
- Slowing down response time.
- The appearance of unusual error messages.
- When anti-virus programs are blocked during installation.
- Presence of tiny dots.
- The system slows down or crashes
- The computer stops responding or locks up from time to time.
- The computer crashes and then restarts every few minutes.
- The computer restarts itself.
- Programs in the computer do not work effectively.
- Programs disappear from the computer even when you did not intentionally remove them.
- Strange sounds are heard from the inbuilt or external speakers.
- New icons unknown to you appear on your desktop.
- It can delete or change files.
- It can load or run unwanted files.
- It can make the cursor freeze.
- Files do not save properly.