AQA•A-Level•Computer Science
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Fundamentals of Data Representation
Number systems, floating point, information coding, and encryption
Practice 58 subtopics in Fundamentals of Data Representation. All questions match the AQA A-Level specification.
About Fundamentals of Data Representation
Fundamentals of Data Representation is a key topic in the AQA A-Level Computer Sciencespecification. This topic covers number systems, floating point, information coding, and encryption.
Master all 58 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (58)
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Natural numbersInteger numbersRational numbersIrrational numbersReal numbersOrdinal numbersBinary (base 2)Denary (base 10)Hexadecimal (base 16)Base conversionsBitsBytesKilobytes (KB)Megabytes (MB)Gigabytes (GB)Terabytes (TB)Unsigned binaryUnsigned binary rangeSigned binaryTwo's complementSign and magnitudeBinary arithmeticBinary additionBinary subtractionOverflowCharacter encodingASCIIUnicodeError detectionParity bitsMajority votingCheck digitsError correctionHamming codeBitmap imagesPixelsResolutionColour depthImage file sizeMetadataVector graphicsSound representationSamplingSample rateSample resolutionNyquist theoremMIDISound file sizeLossy compressionLossless compressionRun-length encodingDictionary codingSymmetric encryptionAsymmetric encryptionPublic keyPrivate keyDigital signaturesDigital certificates
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