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JSS3: COMPUTER STUDIES - 1ST TERM

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  1. Computer Career Opportunities | Week 1
    5 Topics
    |
    1 Quiz
  2. Computer Viruses I | Week 2
    7 Topics
    |
    1 Quiz
  3. Computer Viruses II | Week 3
    7 Topics
    |
    1 Quiz
  4. Introduction To The Internet | Week 4
    4 Topics
    |
    1 Quiz
  5. Internet Terminologies | Week 5
    4 Topics
    |
    1 Quiz
  6. The Concept of Digital Divide | Week 6
    5 Topics
    |
    1 Quiz
  7. Database Concept, Definition And Terminologies | Week 7
    4 Topics
    |
    1 Quiz
  8. Database II | Week 8
    3 Topics
    |
    1 Quiz
  9. Database III | Week 9
    13 Topics
    |
    1 Quiz



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Topic Content:

  • Meaning of Sector
  • Meaning of Boot Sector
  • Meaning of Boot Sector Virus
  • Location of Boot sector Virus
  • Signs of Boot Sector Virus Infection

What is a Sector?

A sector is a subdivision of a drive. The term is derived from the mathematical term for a portion of a circle (an arc) that is enclosed by 3 radii, or lines, from the centre to the edge of a circle. So in computer storage terms, a sector is an arc where data is written.

What is a Boot Sector?

A boot sector is a region of a hard disk, floppy disk, optical disc, or other data storage devices, that contain machine code to be loaded into Random Access Memory (RAM)

The purpose of a boot sector is to allow the boot process of a computer, to load a program, usually an operating system stored on the same storage device. The location and size of the boot sector, are specified by the design of the computing platform.

What is a Boot Sector Virus and Where is it Located?

 

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