Daily Practice

GCSE Computer Science

24th October 1990

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.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1990, including the monthly compilation PDF.