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ITGS - introduction

This guide provides a comprehensive overview of personal computer (PC) components, including the system unit (CPU and memory) and common peripherals like keyboards, mice, monitors, speakers, and printers. It delves into the importance of operating systems and application software, addressing key functionality, ethical issues related to privacy and integrity, and the organization of files. Learn about the roles of buttons on peripherals, the distinction between application and document files, and essential FAQs regarding PC functionality and software.

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ITGS - introduction

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Presentation Transcript

  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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