MCQ Test 3 (Tri 2 Final) Corrections
Final Score: 45/50
Q2:
Explanation: A website uses cookies to track a user’s activity and preferences, even across different websites. This is a breach of their privacy and security since the company can use those cookies to track and potentially even reveal certain personal information.
Q13:
Explanation: Option C is correct because a Creative Commons license allows the author to maintain their copyright to their work while also allowing others to utilize, modify, and share the work. But, it must be under the conditions specified by the owner in the license.
Q14:
Explanation: Purchasing a single-user copy of photo editing software and installing it on all the computers in a computer lab would be considered unethical because the software is not meant to be used and downloaded by multiple users after buying only one copy.
Q29:
Explanation: The fourth statement assigns the value false to because the “NOT a and b” means that it is not the combination of a (true) and b (false) meaning it is not false. It then combines with C to make the variable a false. The fifth statement assigns the value false to c since in boolean, if one is false (a in “c AND a”), they will both be false.
Q50:
Explanation: Algorithm A and D appear to run in reasonable time based on the values in the table. Algorithm A takes a relatively constant number of steps (around 10 steps) for each increase in list size, and Algorithm D takes a slightly increasing number of steps (around 1 to 25 steps) for each increase in list size.