Daily Practice - GCSE Computer Science
Systems, data representation, networks, algorithms and programming.
16th August 2025
- 1Ethical, Legal, Cultural and Environmental Impact
State one reason a small business might choose to use open source software instead of proprietary (closed source) software.
- 2Network Protocols and Layers
State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
- 3Algorithms
An array called items contains [12, 45, 7, 30, 19] at indices 0 to 4. Describe how a linear search would locate the value 30, stating the number of comparisons needed.
- 4Translators and Integrated Development Environments (IDEs)
Explain why an interpreter is often preferred while a program is being written.
- 51D and 2D Array Processing: Writing and Tracing Programs
Explain why a running maximum should be initialised to the first element of the array rather than to 0.
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