Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

Systems, data representation, networks, algorithms and programming.

2nd August 2023

5 questions · GCSE · 123 questions in this band

1
Network Security
State one weakness of a simple shift cipher compared to modern encryption methods used on networks.
2
Ethical, 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.
3
Network Protocols and Layers
State the difference between HTTP and HTTPS, and give one situation where HTTPS is essential.
4
Algorithms
Calculate the maximum number of comparisons required by a binary search on a sorted list of 512 items.
5
Translators and Integrated Development Environments (IDEs)
Explain why an interpreter is often preferred while a program is being written.

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