Daily Practice - GCSE Computer Science
Systems, data representation, networks, algorithms and programming.
25th August 2023
- 1Ethical, Legal, Cultural and Environmental Impact
A streaming company records which shows each user watches and uses this to recommend similar shows. Explain one ethical concern this could raise, even if the company only uses the data to improve recommendations.
- 2Network Protocols and Layers
A user reads the same email on a phone and a tablet, and deleting it on one deletes it on the other. Which protocol is in use and why?
- 3Algorithms
Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
- 4Translators and Integrated Development Environments (IDEs)
Explain the purpose of a breakpoint.
- 51D and 2D Array Processing: Writing and Tracing Programs
Trace this algorithm with data = [4, 9, 2, 9, 7] and state the final output. total = 0; count = 0; for i = 0 to 4: if data[i] > 5 then total = total + data[i] and count = count + 1; next i; print(total, count).
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