27 Questions
What type of virus attaches itself to executable files and spreads when the infected file is executed?
File Infector Viruses
Which type of virus infects the master boot record of a computer's hard drive or removable storage?
Boot Sector Viruses
In which type of files are macro viruses typically found?
Documents or spreadsheets
Which type of virus changes its code to avoid detection by antivirus programs?
Metamorphic Viruses
What do resident viruses do after embedding themselves in the computer's memory?
Infect files as they are opened, closed, or executed
What makes polymorphic viruses challenging to identify consistently?
They change their code to avoid detection
Which type of virus embeds itself in the computer's memory?
Resident virus
Which type of virus is activated when an infected file is executed?
Non-resident virus
Which type of virus uses multiple methods to infect a system?
Multiparite virus
Which malware encrypts a user's files and demands payment for the decryption key?
Ransomware
Which type of malicious software collects information about a user's activities or displays unwanted advertisements?
Adware
Which type of malicious software disguises itself as legitimate software but contains malicious code?
Trojan horse
Which term refers to the transfer of digital signals over a communication channel?
Digital Communication
What determines the effectiveness of Data Communication?
Accuracy of transfer
In which type of communication do we share facts, ideas, etc. in mutually agreed-upon language and speed with maximum accuracy?
Data Communication
What does Data Communication encompass the transfer of between two points?
Any type of data
Which term is closer to the type and process of sharing involved during communication?
Data Communication
Which term specifically refers to the transfer of digital signals over a communication channel?
Digital Communication
What does the term 'Message' refer to in data communication?
The data or information to be exchanged between two points
What is the role of the 'Source Encoder' in digital communication?
To compress the digitized signal data to minimize the number of bits
What is the function of the 'Input Transducer' in digital communication?
To convert a physical input from the point of source into an electrical signal
What is responsible for the physical transfer of data and information through a suitable communication channel in digital communication?
Transmission Medium
What is the primary purpose of 'Protocol' in data communication?
To establish rules that govern the entire exchange process between sender and receiver
Which component performs the task of converting analog signals into binary numbers, i.e. 0s and 1s in digital communication?
Input Transducer
What type of data origin can be considered as a 'Source' in digital communication?
Any point of data origin offering a piece of information that may be analog or digital
What role does 'Sender' play in data communication?
It is intended to send the information being transferred or communicated
What is responsible for governing the entire exchange process between sender and receiver in data communication?
'Protocol' - rules agreed upon between sender and receiver which govern the entire exchange process
Explore the different types of computer viruses, including File Infector Viruses, Boot Sector Viruses, Macro Viruses, and more. Learn about their characteristics, methods of spreading, and examples of well-known viruses such as CIH and Sasser.
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