Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

10th October 2022

5 questions · GCSE · 123 questions in this band

1
Network 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?
2
Algorithms
Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
3
Translators and Integrated Development Environments (IDEs)
Explain the purpose of a breakpoint.
4
1D 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).
5
Programming Fundamentals
State the most appropriate data type for storing a person's shoe size if only whole sizes (e.g. 7, 8, 9) are allowed.

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