http://www.com-tech.ubru.ac.th/~parkpien

1
??????????????????????????????
???????????? ???????? ???????????????????????????
? ???????? 08-58575919 http//www.com-tech.ubru.a
c.th/parkpien
2
???????????????????????????????
?????????????? Input Unit
??????????? Output
????????????? Process
???????????????? Storage Device
3
Input Unit
4
Input Device ?????????????????????
??????????????????????????????????????????????????
??????????????????????????????????????????????????
???????????? ????????????????????????????????
5
Types of Input Devices

• Typing Devices
• Pointing Devices
• Scanning Devices
• (Source-data Automation)
• Other Devices

6
1) Typing Input Devices
7
1) Typing Input Devices
8
(No Transcript)
9
Types of Typing Input Devices (Layout)

• QWERTY

• Devorak

10
Comparing 2 Types of Keyboard
11
Types of Typing Input Devices(????????????)

• Regular ????????????????
• Ergonomic ?????????????????????????????????

12
Regular Keyboard





Invalid Password
13
Ergonomic Keyboard
14
(No Transcript)
15
?????????????(Pointing Devices)

• ?????????????????????????????????????? Graphical
  User Interface software ???? Windows 95
• ???????????????????????? Cursor ???? Pointer

16
Mechanical Mouse ???????????

• ??????????
• ???????
• ????????
• ?????????????

17
Optical Mouse???????????????????????
18
5 Buttons Mouse
19
Cordless Mouse???????????
20
Trackball (Upside down Mouse) ????????????????????
?????????? ???????????????????????????????????????
??????????????????
21
Microsoft EasyBall
22
Optical Trackball
23
Pointing Stick??? trackball ?????????????????????
??????????????????????? ?????????????????????????
????????
24
Trackpad ?????????? Trackball ???????????????????
??????????????????????????????
Peter Norton's Introduction to Computers
25
Pointing Devices ??????????????????
26
Joystick ???????????????????????????????
???????????????????????????????
27
Game Pad ?????????????????????????????????????????
28
Wheels
29
Pointing Devices ??????????
30
Head-Mounted Pointer ????????????????????????????
????????????????????????????????
31
3) Scanning Devices - Scanners As Hardware -
Scanners As Software
32
Scanners As Hardware
33
Flatbed Scanner (??????????) ????????????????????
???????? ???????????????? ???????????????????????
?????????????????????????
34
Flatbed Scanner
35
Flatbed Scanner

• ??????????????????????????????
• ??????? ??? ???????????? Sheet fed scanner ??????
  ????????????? ?????
• ????? ??? ??????????????????????????

36
Sheet fed Scanner (???????????????) ???????
???????????????????????????????????????????????
???????????????????????? ??????????????????????
??????????
37
Sheet fed Scanner
38
Portable Handheld Scanner (?????????)
?????????????????????????????????????????????
????????????????????????????????????????????????
???????????? ??????? ???????? ?????????????????
?????????????????
39
Portable Handheld Scanner
40
Portable Handhelp Scanner

• ???????
• ????????????????????????? ????????????????????????
  ????????????????????????????????? ????????????
• ???????????????????????????????????????
  ????????????????? ????????????????????????????????
  ?????

41
OMR Reader ???????????????????????????????????????
?????????????
42
Photo Scanner ??????????????????????????
43
Film Slide Scanner ?????????????????
????????????????
44
Handheld Barcode Reader ??????????????? barcode
???????????????????????
45
Barcode Reader
46
Scanner As Software
47
Scanning Software

• Graphics ?????????????????????
• Bar Code Recognition ???????????????????????
  (barcode) ????????????????????????? (Barcode
  Reader) ?????????????????????????
  ???????????????????????????????????????????? ?
  ????????????

48
Barcode Reader
49
Scanning Software

• Optical Mark Recognition (OMR) ???????????????????
  ??????????????? ???? ?????????????????????????????
  ???
• Optical Characteristic Recognition (OCR)
  ???????????????????????

50
Optical Mark Recognition (OMR)
51
Scanning Software

• Magnetic Ink Characteristic Recognition (MICR)
  ???????????????????????????????????????????????
  ???? ????????????????????????????
• Handwritten Recognition ?????????? ???????????????

52
Magnetic Ink on a Check
53
MICR Reader
54
Handwritten Recognition
55
4) Other Kinds of Input Devices
56
Video ???????????????????????????????????????
????????????????????????
57
Video Digitizer
??????????????????????????????????????????????????
?????? ????????????????????
58
Microphone (Input for Sound)
??????????????????????????????????????
Digital Audio Output electrical signals (ex.
11100011) to computer
Analog Signals are Digitized
59
Wireless Pen Graphic Tablet
????????????????????????????????????????????
Tablet ???????????????????????????????????????????
??? ???
60
LCD Pen Tablet
61
Other Input Devices Motion Tracking
62
Motion Tracking in Action
63
Applications of Motion Tracking
64
Applications of Motion Tracking
65
Output Unit
66
Output Device ?????????????????????????????
?????????????????????????????????????????????
??????????????????????????????????????????????????
????????????? ?????????????????????????????
67
?????????????????????? (Output)

• Soft Copy - ??????????/ ?????????????????
  ?????????????????? (Temporary) ????
  ??????????????????????
• Hard Copy - ??????????/ ??????????????????? ????
  ????????????????????????????

68
Soft Copy Output
69
????????? Monitor
Cathode Ray Tube (CRT) Flat-Panel Display
70
???????????????????? CRT

• ?????????????????????????????????
  ??????????????????????
• ???????????? pixel (????????????) pixel
  (picture element) ????????????????????????????
  ???????????????????????? ?????????
  ?????????????????????????????? 1 pixel
  ????????????????????????????????????
• ???????????????????????? 3 ?????? ???????? 3 ??
  ??? ????? ??????? ????????????

71
(No Transcript)
72
?????????????? Monitor

• Size
• Resolution
• Refresh Rate
• Dot Pitch

73
??????? Monitor

• ?????????????????????????????????????????????????
  ??????????? ??? ??????????????????? (diagonally)
• ??????????????????? ?????????????????????
  ???????????????????????

74
The diagonal size (often 15)
75
Resolution (???????????????????)

• ???????? pixels ??????????????????????
  ???????????????????????????????? (dpi, dot per
  inche)
• ???????????? 640 x 480 (640 pixels ?????? 480
  pixels ???????)

76
Resolution (???)

• ?????????? Resolution
• 640 x 480 (Video Graphics Array -VGA)
• 800 x 600 1024 x 768 (Super VGA-SVGA)
• ?????????????????????????????????
  ????????????????????????? ????????????????????

77
Resolution (???)
800600
1024768
78
Refresh Rate

• ??????????????????????????????????????????????????
  1 ?????? ????????????????????????????????????????
  ????????????????????????
• Refresh rate ???????????? Hertz (Hz) ???? cycle
  per second

79
Refresh Rate (???)

• Refresh rate ???????????????????? flicker
  ??????????????????????????????
• flicker ???????????????????????? Refresh
  rate ???
• 72 Hz ??????????? ??????????

80
Fast scanning Quick refresh (less flicker)
81
Dot Pitch

• Dot pitch ??????????????? pixels.
• ?????? 3 ???????????????? ????????????? blur
• ?????????????????? dot pitch ??????? 0.28
  millimeter.

82
Fine dot pitch Crisp displays
83
R B
B G
R G
Phosphor Dot Color Mixing

84
Flat Monitor
Liquid Crystal Display (LCD) ????????? TV
????????????? - Passive Metrix LCD - Active
Metrix LCD
85
Flat Monitor

• Passive Metrix LCD ???????????????????????????????
  ????????? ?????
• Active Metrix LCD ???????????????????? ??????????
  ???????? ?????????????????????

86
Video Projector
?????????????????????????
87
Speakers ???? Output Device ???????????
88
Hard Copy Output
89
Printers

• ?????????? Output ????????????? ????
  ??????????????
• ???????????????????????????? Dot Per Inch (DPI)
• ?????????????????????????????? - Line Per
  Minute (LPM) ???? - Page Per Minute (PPM)

90
Types of Printers

• Impact Printer
• Non-Impact Printer

91
???????????? Impact Printer

• ????????????????????????????????
  (????????)????????????
• ????????????????????????
• ?????????????????????????? Carbon

92
Line Printer
- ??????????? - ??????? - ????????????????????????
???????????
93
Dot-Matrix Printer
- ??????? - ???????????????? ??????????????
???????????????
94
Non-Impact Printer

• ??????????????????????????????????????????????????
  ?????????????????? (??????????????????????????????
  ?)

95
Inkjet Printer
???????????????????????????
96
Inkjet Printer
97
Inside Inkjet Printer
98
Laser Printer
?????????????????????????????????????????????
??????????????????
99
Inside Laser Printer
100
Thermal Transfer (Solid Ink) Printer
????????????????????????????
101
Plotter
??????????????????????????????????????????????????
??????????? ???? ?????????? ???????? ??????
102
Special Purpose Printers
103
Barcode Printer
104
Braille Printer
???????????????????????????????????????????????
105
Multi-Purpose Devices
106
A Touch Screen Monitor

• ????????????????? Input Output devices

107
Digital Camera
108
E-Postage
109
???????????

1. ??????????????????????????? (Input Device)
   ??????????

• Typing Devices
• Pointing Devices
• Scanning Devices
• (Source-data Automation)
• Other Devices

110
???????????
2. ????????????????????????????????????????????
????????

• Regular ????????????????
• Ergonomic ?????????????????????????????????

111
???????????
3. ?????????? Flatbed Scanner ???????????????????
????????????????????????????? ??????????
4. OMR Reader ?????????????????
?????????????????????????????????????????
????????????
112
???????????
5. ?????????????????????????????????????

• SIZE ????
• RESOLUTION ???????????????????
• REFRESH RATE ?????????????????
• DOT PITCH ?????????????????????

113
???????????
6. ???????????????????

• RESOLUTION
• dpi (dot per inch)
• REFRESH RATE
• Hertz (Hz) ???? Cycle per Second

114
???????????
6. Printer ????????? ????????

• Impact Printer
• Non-Impact Printer