Types of Computer Viruses
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Questions and Answers

What type of virus attaches itself to executable files and spreads when the infected file is executed?

  • File Infector Viruses (correct)
  • Macro Viruses
  • Resident Viruses
  • Boot Sector Viruses
  • Which type of virus infects the master boot record of a computer's hard drive or removable storage?

  • Metamorphic Viruses
  • Boot Sector Viruses (correct)
  • Polymorphic Viruses
  • Resident Viruses
  • In which type of files are macro viruses typically found?

  • Audio files
  • Executable files
  • Image files
  • Documents or spreadsheets (correct)
  • Which type of virus changes its code to avoid detection by antivirus programs?

    <p>Metamorphic Viruses</p> Signup and view all the answers

    What do resident viruses do after embedding themselves in the computer's memory?

    <p>Infect files as they are opened, closed, or executed</p> Signup and view all the answers

    What makes polymorphic viruses challenging to identify consistently?

    <p>They change their code to avoid detection</p> Signup and view all the answers

    Which type of virus embeds itself in the computer's memory?

    <p>Resident virus</p> Signup and view all the answers

    Which type of virus is activated when an infected file is executed?

    <p>Non-resident virus</p> Signup and view all the answers

    Which type of virus uses multiple methods to infect a system?

    <p>Multiparite virus</p> Signup and view all the answers

    Which malware encrypts a user's files and demands payment for the decryption key?

    <p>Ransomware</p> Signup and view all the answers

    Which type of malicious software collects information about a user's activities or displays unwanted advertisements?

    <p>Adware</p> Signup and view all the answers

    Which type of malicious software disguises itself as legitimate software but contains malicious code?

    <p>Trojan horse</p> Signup and view all the answers

    Which term refers to the transfer of digital signals over a communication channel?

    <p>Digital Communication</p> Signup and view all the answers

    What determines the effectiveness of Data Communication?

    <p>Accuracy of transfer</p> Signup and view all the answers

    In which type of communication do we share facts, ideas, etc. in mutually agreed-upon language and speed with maximum accuracy?

    <p>Data Communication</p> Signup and view all the answers

    What does Data Communication encompass the transfer of between two points?

    <p>Any type of data</p> Signup and view all the answers

    Which term is closer to the type and process of sharing involved during communication?

    <p>Data Communication</p> Signup and view all the answers

    Which term specifically refers to the transfer of digital signals over a communication channel?

    <p>Digital Communication</p> Signup and view all the answers

    What does the term 'Message' refer to in data communication?

    <p>The data or information to be exchanged between two points</p> Signup and view all the answers

    What is the role of the 'Source Encoder' in digital communication?

    <p>To compress the digitized signal data to minimize the number of bits</p> Signup and view all the answers

    What is the function of the 'Input Transducer' in digital communication?

    <p>To convert a physical input from the point of source into an electrical signal</p> Signup and view all the answers

    What is responsible for the physical transfer of data and information through a suitable communication channel in digital communication?

    <p>Transmission Medium</p> Signup and view all the answers

    What is the primary purpose of 'Protocol' in data communication?

    <p>To establish rules that govern the entire exchange process between sender and receiver</p> Signup and view all the answers

    Which component performs the task of converting analog signals into binary numbers, i.e. 0s and 1s in digital communication?

    <p>Input Transducer</p> Signup and view all the answers

    What type of data origin can be considered as a 'Source' in digital communication?

    <p>Any point of data origin offering a piece of information that may be analog or digital</p> Signup and view all the answers

    What role does 'Sender' play in data communication?

    <p>It is intended to send the information being transferred or communicated</p> Signup and view all the answers

    What is responsible for governing the entire exchange process between sender and receiver in data communication?

    <p>'Protocol' - rules agreed upon between sender and receiver which govern the entire exchange process</p> Signup and view all the answers

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