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ITGS - introduction

PC main purpose: to communicate with you. ITGS - introduction. System unit + Peripherals = PC System unit (CPU, memory, …) Peripherals (mouse, keyboard,…). PC : System unit. ITGS - introduction. Every PC is built around a tiny microprocessor. System unit:

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ITGS - introduction

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  1. PC main purpose: to communicate with you ITGS - introduction System unit + Peripherals = PC System unit (CPU, memory, …) Peripherals (mouse, keyboard,…)

  2. PC : System unit ITGS - introduction • Every PC is built around a tiny microprocessor. • System unit: • CPU central processor unit (microprocessor) • Memory • Internal & external drivers

  3. PC: Common peripherals ITGS - introduction • Five common peripherals: • keyboard • mouse • monitor display • speakers • printer

  4. PC: Keyboard ITGS - introduction Key (s) Delete vs Backspace Function key Ctrl (control) ex. Ctrl + S, Ctrl + O Alt (alter) Enter

  5. PC: Keyboard ITGS - introduction • Social & Ethical issues Privacy • E-mail (see your mail) • Password (another person) • Pin (mobile phone) • Pin (credit card)

  6. PC: Keyboard ITGS - introduction • Social & Ethical issues Integrity • E-mail (hacker see your mail) • Password (hacker use your user account)

  7. PC: Mouse ITGS - introduction Buttons Click Double click Double click Ctrl+Drag and drop (copy)

  8. Software ITGS - introduction SYSTEM SOFTWARE Operating systems OS APPLICATION PROGRAMS-APPLICATIONS USER SOFTWARE

  9. Software ITGS - introduction • Match • APPLICATIONS • DOCUMENT • with • FILE • what kind of files

  10. Software ITGS - introduction SYSTEM SOFTWARE Operating systems OS APPLICATION PROGRAMS-APPLICATIONS FILES DOCUMENT

  11. File ITGS - introduction NAME SIZE DATE & TIME modified EXTENSION type executable files data files CONTENT

  12. File ITGS - introduction • Match • APPLICATIONS • DOCUMENT • with • OBJECT • SUBJECT

  13. ITGS - introduction • Match • APPLICATIONS • DOCUMENT • with • NAME • EXTENSION - type • SIZE • DATE & TIME – modified • content • explain File

  14. ITGS - introduction • Match • WINDOWS EXPLORER • with • NAME • EXTENSION type • SIZE • DATE & TIME modified • content • explain File

  15. File ITGS - introduction • Social & Ethical issues Integrity • Content (hacker change document or use document) • Name (hacker change name) • Size (hacker change document)

  16. PC : FAQ ITGS - introduction Do all keys always respond by displaying characters on the screen: • Yes (which) • No (why)

  17. PC : FAQ ITGS - introduction Does all PC use the same OS: • Yes (which) • No (why)

  18. PC : FAQ ITGS - introduction Does Application Program called simply: • Application • Program • Both

  19. PC : FAQ ITGS - introduction Does System Software include Operating systems OS: • Yes • No

  20. PC : FAQ ITGS - introduction Application files and document files are the same kind of files: • Yes • No

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