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Basic computer components

Input devices:

• Keyboard
• Image scanner
• Microphone
• Pointing device
  • Graphics tablet
  • Game controller
  • Light pen
  • Mouse
    • Optical
  • Pointing stick
  • Touchpad
  • Touchscreen
  • Trackball
• Sound card
  • Sound chip
• Webcam
  • Softcam
• Video card
  • GPU

Output devices:

• Monitor
  • Screen
• Printer
• Speakers
• Sound card
• Video card

Removable data storage:

• Disk pack
• Floppy disk
• Optical disc
  • CD
  • DVD
  • Blu-ray
• Flash memory
  • Memory card
  • USB flash drive

Computer case:

• Central processing unit
  • Microprocessor
• Motherboard
• Memory
  • RAM
  • BIOS
• Data storage
  • HDD
  • SSD
  • SSHD
• Power supply
  • SMPS
• MOSFET
  • Power MOSFET
  • VRM
• Network interface controller
• Expansion card

Ports:

• Ethernet
• FireWire (IEEE 1394)
• Parallel port
• Serial port
• PS/2 port
• USB
• Thunderbolt
• DisplayPort / HDMI / DVI / VGA
• eSATA
• Audio jack