9th Computer Science Chapter6 Computer Security and Ethics

Sr #	Questions	A	B	C	D
1	What is the purpose of antivirus software?	To spread malware	To detect and remove malware from computer systems	To increase computer performance	To encrypt data for secure transmission
2	What is the main difference between a hacker and a cracker?	Hackers have malicious intent, while crackers seek to improve security.	Hackers are skilled computer experts, while crackers are inexperienced.	Hackers exploit vulnerabilities for personal gain, while crackers do so for altruistic reasons.	Hackers are illegal, while crackers are legal.
3	Which type of malware is designed to spread from one computer to another by attaching itself to executable files?	Virus	Worm	Trojan horse	Spyware
4	What is the advantage of biometric authentication over traditional password-based authentication?	Biometric authentication is less secure.	Biometric authentication requires less processing power.	Biometric authentication eliminates the need to remember passwords.	Biometric authentication is easier to implement.
5	How do computer viruses typically spread from one computer to another?	Through physical contact with infected hardware	Through infected email attachments, malicious websites, or USB drives	Through overheating of computer components	Through electromagnetic interference
6	Which term refers to an individual who gains unauthorized access to computer systems for malicious purposes?	Hacker	Cracker	Cybercriminal	Script kiddie
7	What is multimodal authentication?	Authentication using multiple devices simultaneously	Authentication using multiple biometric factors	Authentication using multiple passwords	Authentication using multiple authentication servers
8	What does computer ethics primarily concern?	Ensuring computers operate efficiently	Preventing unauthorized access to computer systems	Guiding the moral conduct of individuals and organizations in computing-related activities	Maximizing profits from computer technology
9	What is intellectual property in the context of computer ethics?	The physical hardware components of a computer system	The legal rights to creative works, such as software, music, and writings, produced by individuals or companies	The process of protecting computer systems from unauthorized access	The ethical guidelines for computer programmers and developers
10	Why is computer security important?	To increase the speed of data transmission	To ensure the confidentiality, integrity, and availability of data	To maximize the number of users accessing the network	To reduce the cost of maintaining computer systems
11	What does computer crime involve?	Ethical use of computer resources in business environments	Unauthorized access to computer systems for beneficial purposes	Illegal activities conducted using computer technology, such as hacking, fraud, and identity theft	The ethical guidelines for computer scientists and engineers
12	Which of the following is a common symptom of a malware infection?	Improved computer performance	Increased storage space availability	Unexplained changes to system settings or files	Reduced internet speed