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Hardware of  Personal Computers Lesson 2
Part 1:  Introduction
What are Basic Hardware  of  a Personal Computer? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is a Hardware? ,[object Object]
Classification of Hardware Input  Devices   1 Processing  Unit  2 Storage  Devices 3 Output  Devices  4
Part 2:  Input Devices
What is a Input Device? ,[object Object]
Input Devices a device that analyzes images, printed text, or handwriting, or an object and converts it to a digital image Scanner a pointing device by detecting two-dimensional motion relative to its supporting surface. Mouse for the input of text and characters and also to control the operation of a computer Keyboard
Input Devices a real-time camera (usually, though not always, a video camera) whose images can be accessed using the World Wide Web WebCam an electronic device used to capture and store photographs electronically in a digital format Digital Camera an acoustic to electric transducer or sensor that converts sound into an electrical signal. Microphone
Part 3:  Processing Unit
What is a Processing Unit? ,[object Object],[object Object],Intel Celern 2.66GHz CPU (Front) Intel Celern 2.66GHz CPU (Back)
How fast is a CPU? ,[object Object],[object Object],[object Object],[object Object],[object Object],The clock frequency of a CPU
What are Intel CPU Families for Desktop Computers? ,[object Object],[object Object],[object Object],[object Object]
What are AMD CPU Families for Desktop Computers? ,[object Object],[object Object],[object Object],[object Object]
TASK 1 (Individual work) ,[object Object],[object Object]
TASK 1 (TABLE 1) AMD CPU Intel CPU Price (HK$) Cache Memory L2 (MB) Clock Frequency (GHz) Athlon 64 ADA 3200-CN Athlon 64 FX – 51/940 Celeron D356 Core 2 Due E6700 CPU Model
TASK 2 (Group Work) ,[object Object],[object Object],[object Object],[object Object]
What is a motherboard? ,[object Object],A motherboard CPU RAM slot
Motherboard ,[object Object],[object Object],[object Object]
What is a Video Card? ,[object Object]
A Video Card ,[object Object],[object Object],[object Object],[object Object]
What is a Sound Card? ,[object Object],[object Object],A sound card
Part 4:  Storage Devices
What are Types of Storage Devices? Storage Devices Primary Storage Secondary Storage Read-Only Memory (ROM) Random-Access Memory (RAM)
What is Primary Storage? ,[object Object],[object Object]
What is ROM? ,[object Object],[object Object],[object Object],[object Object],An EPROM
What is RAM? ,[object Object],[object Object],[object Object],[object Object],[object Object],Two 512 MB DDRam
What is Secondary Storage? ,[object Object],[object Object],[object Object],[object Object]
Secondary Storage  ,[object Object],[object Object],[object Object]
Secondary Storage ,[object Object],[object Object],[object Object],[object Object],A Hard disk
Secondary Storage 650 650 650 Data capacity (MB) Read & write Read but write once Read only Data can be CD-RW CD-R CD-Rom
Secondary Storage Single layer: 4.7  Double layer: 8.5 Single layer: 4.7  Double layer: 8.5 Single layer: 4.7  Double layer: 8.5 Data capacity (GB) Read & write Read but write once Read only Data can be DVD-RW /DVD+RW DVD-R /DVD+R DVD
What are the Different Between DVD-R and DVD+R? ,[object Object],[object Object],[object Object]
Secondary Storage A CD-R disk A CD-RW disk
Secondary Storage A DVD-R disk A DVD+RW disk
Secondary Storage ,[object Object],[object Object],[object Object],[object Object]
Secondary Storage ,[object Object],[object Object],[object Object],[object Object]
Various Types of Memory Cards Microdrive Memory Stick xD card CF Card SD Card SM Card
Part 5:  Output Devices
What is a output device? ,[object Object]
Output Devices ,[object Object],[object Object],[object Object],A 14” LCD monitor.
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
Output Devices ,[object Object],[object Object],[object Object]
Output Devices ,[object Object],[object Object]
Output Devices ,[object Object],[object Object],[object Object]
Task 3 (Group Work) ,[object Object],[object Object],[object Object]
Output Devices ,[object Object]

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Introduction to computer hardware

  • 1. Hardware of Personal Computers Lesson 2
  • 2. Part 1: Introduction
  • 3.
  • 4.
  • 5. Classification of Hardware Input Devices 1 Processing Unit 2 Storage Devices 3 Output Devices 4
  • 6. Part 2: Input Devices
  • 7.
  • 8. Input Devices a device that analyzes images, printed text, or handwriting, or an object and converts it to a digital image Scanner a pointing device by detecting two-dimensional motion relative to its supporting surface. Mouse for the input of text and characters and also to control the operation of a computer Keyboard
  • 9. Input Devices a real-time camera (usually, though not always, a video camera) whose images can be accessed using the World Wide Web WebCam an electronic device used to capture and store photographs electronically in a digital format Digital Camera an acoustic to electric transducer or sensor that converts sound into an electrical signal. Microphone
  • 10. Part 3: Processing Unit
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16. TASK 1 (TABLE 1) AMD CPU Intel CPU Price (HK$) Cache Memory L2 (MB) Clock Frequency (GHz) Athlon 64 ADA 3200-CN Athlon 64 FX – 51/940 Celeron D356 Core 2 Due E6700 CPU Model
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23. Part 4: Storage Devices
  • 24. What are Types of Storage Devices? Storage Devices Primary Storage Secondary Storage Read-Only Memory (ROM) Random-Access Memory (RAM)
  • 25.
  • 26.
  • 27.
  • 28.
  • 29.
  • 30.
  • 31. Secondary Storage 650 650 650 Data capacity (MB) Read & write Read but write once Read only Data can be CD-RW CD-R CD-Rom
  • 32. Secondary Storage Single layer: 4.7 Double layer: 8.5 Single layer: 4.7 Double layer: 8.5 Single layer: 4.7 Double layer: 8.5 Data capacity (GB) Read & write Read but write once Read only Data can be DVD-RW /DVD+RW DVD-R /DVD+R DVD
  • 33.
  • 34. Secondary Storage A CD-R disk A CD-RW disk
  • 35. Secondary Storage A DVD-R disk A DVD+RW disk
  • 36.
  • 37.
  • 38. Various Types of Memory Cards Microdrive Memory Stick xD card CF Card SD Card SM Card
  • 39. Part 5: Output Devices
  • 40.
  • 41.
  • 42.
  • 43.
  • 44.
  • 45.
  • 46.
  • 47.
  • 48.