O Level · Computer Science · Hard level · 7 questions
Data Representation: Exam Style
Binary, hexadecimal, binary addition and shifts, and how text, images and sound are stored, a topic of conversions where the method must be shown. This quiz is the hardest level, with O Level exam-style questions that mix the ideas together. 7 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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