Question 1: Define 'computer misuse' and give two examples of activities that would be considered misuse.

Answer: Computer misuse refers to using computers or digital systems in a way that is illegal or unethical. Examples include hacking into someone else's account without permission and spreading malware or viruses.

Question 2: Explain why hacking into a personal email account without permission is considered unethical.

Answer: It is unethical because it violates privacy, breaches trust, and could lead to identity theft or data theft, harming the individual involved.

Question 3: Describe the potential consequences for someone caught hacking into a secure system.

Answer: Consequences can include legal action such as fines or imprisonment, damage to reputation, loss of job opportunities, and criminal record.

Question 4: Complete the truth table for the logic gate AND with inputs A and B and output C.

Answer: A | B | C 0 | 0 | 0 0 | 1 | 0 1 | 0 | 0 1 | 1 | 1

Question 5: Draw a logic circuit that represents an OR gate with two inputs.

Answer: A correct sketch would show two input lines entering an OR gate symbol (a curved shape with two inputs on the left and one output on the right).

Question 6: List three ethical considerations a programmer should keep in mind when developing software that handles sensitive data.

Answer: Ensuring data privacy, obtaining user consent, and preventing unauthorized access are key ethical considerations.

Question 7: Explain why creating and distributing malware is considered a misuse of computer technology.

Answer: Because it harms users by damaging systems, stealing data, and causing disruption, which is unethical and often illegal.

Question 8: Sketch a diagram that illustrates the concept of data encryption between a user and a server.

Answer: A correct sketch would show a user device and a server with data being encrypted before transmission and decrypted upon arrival, often represented by locks or key symbols.

Question 9: Identify two laws or regulations in the UK that relate to computer misuse or data protection.

Answer: The Computer Misuse Act 1990 and the Data Protection Act 2018.

Question 10: Describe what a responsible user should do if they accidentally access restricted or illegal content online.

Answer: They should stop viewing it immediately, report the incident to an appropriate authority or supervisor, and avoid sharing or distributing the content.

Question 11: Complete the truth table for the logic gate NAND with inputs A and B and output C.

Answer: A | B | C 0 | 0 | 1 0 | 1 | 1 1 | 0 | 1 1 | 1 | 0