Cambridge Olevel Computer Science revision notes

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Lesson

Lesson-1.1.8- Understand how and why a computer represents text and the use of character sets, including American standard code for information interchange (ASCII) and Unicode.

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Lesson-1.1.7- Use two???s complement to represent positive and negative 8-bit binary integers.Previous Lesson-1.1.9 -Understand how and why a computer represents sound, including the effects of the sample rate and sample resolution.Next