O Level · Computer Science · Medium level · 7 questions
Data Transmission: Medium 1
Packets, serial and parallel, simplex to full-duplex, error checking and encryption, a topic where each method must be paired with what it detects or prevents. In O Level Computer Science the topic covers packets and packet switching and encryption. This quiz is a step up: the questions ask you to use the ideas as well as recognise them. 7 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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