Types of Computer Viruses

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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?

Metamorphic Viruses Signup and view all the answers

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

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

What makes polymorphic viruses challenging to identify consistently?

They change their code to avoid detection Signup and view all the answers

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

Resident virus Signup and view all the answers

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

Non-resident virus Signup and view all the answers

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

Multiparite virus Signup and view all the answers

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

Ransomware Signup and view all the answers

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

Adware Signup and view all the answers

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

Trojan horse Signup and view all the answers

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

Digital Communication Signup and view all the answers

What determines the effectiveness of Data Communication?

Accuracy of transfer 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?

Data Communication Signup and view all the answers

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

Any type of data Signup and view all the answers

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

Data Communication Signup and view all the answers

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

Digital Communication Signup and view all the answers

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

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

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

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

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 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?

Transmission Medium Signup and view all the answers

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

To establish rules that govern the entire exchange process between sender and receiver 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?

Input Transducer Signup and view all the answers

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 Signup and view all the answers

What role does 'Sender' play in data communication?

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

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 Signup and view all the answers