Daily Practice · GCSE Computer Science

Daily Practice - GCSE Computer Science

18th March 1996

5 questions · GCSE · 123 questions in this band

1
Networks and Topologies
Which piece of network hardware connects a LAN to another network such as the internet, directing data packets based on IP address?
2
Network Security
A simple cipher shifts every letter 2 places forward in the alphabet, wrapping around so Y becomes A and Z becomes B. Encrypt the plaintext CAT using this cipher.
3
Ethical, Legal, Cultural and Environmental Impact
State whether the source code of proprietary (closed source) software is normally available for the public to view.
4
Network Protocols and Layers
Explain the role of TCP when a large file is downloaded.
5
Algorithms
An array contains [9, 2, 6], to be sorted using insertion sort. Show the state of the array after each new element has been inserted into its correct position.

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