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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 Personal computer architecture Input output devices Monitor ~ 23’’ TFT/LCD

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Personal computer architecture

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  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

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