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Personal computer architecture Bits, Bytes, Kilobytes, MB, GB, Terabytes Hardware Moore’s law Computer box Processor: quad core AMD Athlon II X4, Intel Core2 Quad Memory ~ 4 GB Hard disks ~ 1 TB Cards Personal computer architecture Input output devices Monitor ~ 23’’ TFT/LCD

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personal computer architecture
Personal computer architecture
  • Bits, Bytes, Kilobytes, MB, GB, Terabytes
  • Hardware
    • Moore’s law
  • Computer box
    • Processor: quad core
      • AMD Athlon II X4, Intel Core2 Quad
    • Memory
      • ~ 4 GB
    • Hard disks
      • ~ 1 TB
    • Cards

Computer introduction

personal computer architecture2
Personal computer architecture
  • Input output devices
    • Monitor ~23’’
      • TFT/LCD
    • Printer
      • Inkjet (50 € + expensive ink)
      • Laser (100 €)
      • Multifunction printers
    • Other input and output devices

Computer introduction

personal computer architecture3
Personal computer architecture
  • Data storage and moving devices
    • Internal hard disk 500 GB – 2 TB (40-150 €)
    • External hard disk 300 GB – 2 TB (50-300 €)
    • Solid State Disk SSD 60 GB – 250 GB (150-700 €)
    • CD 700 MB and DVD 4 GB (< 1 €)
      • Single use R or rewritable RW
      • Need a writer to be written
    • Blu-ray 25 GB (~ 5 €)

Computer introduction

personal computer architecture4
Personal computer architecture
  • Data storage and moving devices
    • USB pen drive or memory stick
      • 4-60 GB (5-150 €)
      • Used mostly to move data
      • Sometimes together with mp3 player
    • Memory cards
    • Tape

Computer introduction

operating system
Operating system
  • Software types
    • Operating system
      • Takes care of devices
      • User-computer interface
      • Windows UNIX/Linux Mac
    • Program files (Word, Excel, Explorer, …)
    • Data files

Computer introduction

operating system6
Operating system
  • Software categories
    • Cost
      • Freeware (Internet Explorer; Linux)
      • Shareware (WinZip)
      • Commercial (Word; Windows)
      • Private
    • Permission to modify
      • Free or Open Source (Linux)
      • Proprietary (Internet Explorer; WinZip; Word)

Computer introduction

operating system7
Operating system
  • Software versions
    • Name
      • Linux, Microsoft Office
    • Distribution/edition
      • Linux Ubuntu, Microsoft Office Professional
    • Version
      • Linux Ubuntu 7.10
      • Microsoft Office Professional 2007

Computer introduction