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Understanding Computer Systems: Components & Operation Process

Learn the fundamentals of computer systems, including hardware components, software functions, and the operation process of input, processing, and output. Explore the relationship between software and hardware.

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Understanding Computer Systems: Components & Operation Process

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  1. S.1 Computer Literacy Mr. Leung Wing Chung

  2. Practical Test • You will do some text processing task in the second test. i.e. Microsoft Word • Written test will be conducted for first test and both exams.

  3. Seating Arrangement • Please fill in your Chinese name, English name and class number when you fill in the draft seating plan. • E.g. 陳大文 (1) Chan Tai Man David

  4. Computer Room Regulations • See the “Acceptable Use Policy”

  5. How to log in computers • User name: student no. (start with S) • Password: STRN

  6. Survey • Do you have any experience on the following? • Word processing? (e.g. MS Word) • Spreadsheets? (e.g. MS Excel) • Image processing? (e.g. Photoshop) • Audio / movie processing? • Homepage authoring? • Using Facebook?

  7. Survey (2) • Do you have any experience on the following? • Setting up / repair computers? • Writing programs? (e.g. Visual Basic, C++, PHP, …) • Database? (e.g. MS Access, SQL)

  8. 1.1How Does a Computer Work?

  9. 1.1How Does a Computer Work? Every computer operation can be divided into three stages: input, process and output.

  10. 1.1How Does a Computer Work? Example of ‘input  process  output’ A student working on a worksheet Washing clothes by a washing machine

  11. Input Enter data and command into a computer. Process The computer works on the data. Output The computer shows the processed results. 1.1How Does a Computer Work? ‘Input  process  output’ represents the three stages of a computer operation process. Three stages of a computer operation process

  12. 1.2 What are the Components of a Computer System?

  13. 1.2 What are the Components of a Computer System?

  14. 1.2 What are the Components of a Computer System? • Hardware • composed of input devices, a system unit, output devices

  15. mouse keyboard microphone scanner 1.2 What are the Components of a Computer System? • Input devices • for entering commands or data into the computer

  16. System unit 1.2 What are the Components of a Computer System? • System unit • contains a central processing unit (CPU), circuit boards, a power supply and storage devices • works on data together with the software to produce processed results

  17. printer monitor Speakers 1.2 What are the Components of a Computer System? • Output device • The processed result can be displayed to users by different output devices.

  18. 1.2 What are the Components of a Computer System? • Software • Software can be classified into two types: system software and application software.

  19. Microsoft Windows XP Macintosh Operating System 1.2 What are the Components of a Computer System? • System software • manages the operations of computer hardware • helps us operate the computer system easily • controls and facilitates the execution of the application software

  20. 1.2 What are the Components of a Computer System? • Application software • carries out specific tasks for the user • application software cannot be run on a computer system without the presence of an operating system

  21. 1.2 What are the Components of a Computer System? • Relationship between software and hardware

  22. 1.2 What are the Components of a Computer System?

  23. 1.2 What are the Components of a Computer System?

  24. 1.2 What are the Components of a Computer System?

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