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Data Representation

Data Representation. Automated data Processing Binary Data representation Mathematical operations Boolean Algebra Hexadecimal Notation. Goals computer Data Representation. Compactness Accuracy Range Ease manipulation Standardization. CPU Data types. Integer Real number

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Data Representation

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  1. Data Representation Automated data Processing Binary Data representation Mathematical operations Boolean Algebra Hexadecimal Notation

  2. Goals computer Data Representation Compactness Accuracy Range Ease manipulation Standardization

  3. CPU Data types Integer Real number Character ASCII Unicode Boolean Memory Address

  4. Data structures Pointers and Address Arrays and links

  5. Clock Rate 1 1 0.000000001 second =1 nanosecond Clock rate 1,000,0000,0000 = Frequency 1,000 Hz =1 K Hz 1,000 K Hz=1Mega Hz 1,000 M Hz =1 G Hz

  6. CPU Registers General Registers Special Purpose Registers Instruction Registers Instruction Pointer Program status Word

  7. PSW primary uses • Store the result of comparison operation • Control additional branch execution • Indicate actual or potential error condition

  8. Cold Silver Copper Aluminum Iron Plastics Rubber Glass Factors affecting electronics or computer component • Heat • Resistance • Conductivity

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