INFORMATION AND COMMUNICATION TECHNOLOGY JS 3

0 of 47 lessons complete (0%)

Chapter 2 – Computer Viruses

Summary and Evaluation

You don’t have access to this lesson

Please register or sign in to access the course content.

Summary of Computer Viruses

Robert Thomas, an engineer at BBN Technologies developed the first known computer virus in the year 1971.
Computer virus is a program intentionally written by some software developer to cause damage to the computer, programs and files in which it found itself. It has the ability to replicate itself by changing other programs or files to include a copy of itself.
Computer worms are malicious programs that replicate and spread independently without user action and harm the computer. Worms spread through network and internet to computers that are connected to the internet.
Adware is a software which automatically plays, displays, or downloads advertisements to a computer usually without user’s knowledge.
Types of computer viruses are: boot sector virus, direct action virus, resident virus, multipartite virus, polymorphic virus, overwrite virus, space filler virus, macro virus, stealth virus, executable file virus.
Examples of Viruses are: Trojan horse virus, Sleeper, Logic bomb, Alabama virus, Christmas virus, Jerusalem virus, Resident virus, Nonresident virus, Code Red, I love you, Creeper virus, Stone, November 17.

error: Content is protected !!
Select your currency
NGN Nigerian naira
Select the fields to be shown. Others will be hidden. Drag and drop to rearrange the order.
  • Image
  • SKU
  • Rating
  • Price
  • Stock
  • Availability
  • Add to cart
  • Description
  • Content
  • Weight
  • Dimensions
  • Additional information
Click outside to hide the comparison bar
Compare