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Vocational & Technical

Data Processing

Covers computer fundamentals, data processing concepts, hardware, software, and information systems.

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Computer Fundamentals

5 key points

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Key Points: Computer Fundamentals

  • Generation 1: vacuum tubes; Gen 2: transistors; Gen 3: ICs; Gen 4: microprocessors
  • CPU: Control Unit + ALU + Registers
  • RAM: volatile (loses data when off); ROM: non-volatile
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