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Computer Fundamentals & MS Office · Module 1 of 10

Parts of a computer

Know what each part of a computer does.

📖 Key ideas

  1. Input devices: keyboard, mouse, scanner, microphone.
  2. Output devices: monitor, printer, speakers.
  3. The CPU processes instructions; it is the brain of the computer.
  4. RAM is fast temporary memory; it is cleared when power goes off.
  5. Storage (HDD, SSD) keeps files permanently.
💡 Real-life example: A computer is like a kitchen: the CPU is the cook, RAM is the worktable and storage is the cupboard.
CPUProcesses instructions
RAMTemporary working memory
SSDFast permanent storage
MonitorOutput device for display