Summarizing Question
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Identify three details that should be included in a summary of the passage.
- Worms and viruses are rather unpleasant terms that have entered the jargon of the computer industry to descry some of the ways that computer systems can be invaded.
- A worm can be defined as a program that transfers itself from computer to computer over a network and plants itself as a separate file on the target computer's disks.
- One worm was injected into an electronic mail network where it multiplied uncontrollably and clogged the memories of thousands of computers until they could no longer function.
- A virus is a set of illicit instructions that passes itself on to other programs or documents with which it comes on contact.
- It can change or delete files, display words or obscene messages, or produce bizarre screen effects.
- A virus can be dealt with using a vaccine, or antivirus, which is a computer program that stops the virus form spreading and often eradicates it.
- In its most vindictive form, a virus can slowly sabotage a computer system and remain undetected for months, contaminating data or wiping out an entire hard drive.