SlideShare ist ein Scribd-Unternehmen logo
1 von 27
Introduction
TYPES OF KEYBOARD
1. Compact Size POS Keyboard
2. Full Size POS Keyboard
3. 78-Key POS Keyboard
4. LCD-POS Keyboard
5. Qwerty-POS keyboard
6. Mini Qwerty POS Keyboard
7. 28-Key POS Keyboard
8. Compact POS Keyboard
9. 112, 66, 51, Key POS Keyboard
Here, are some types:
Compact Size POS Keyboard
-64 fully programmable keys
-Keyboards are backed up by 1.2mm
thick metal frame
-Available in USB, PS/2 Interface
-Programmable keys can be programmed
with 255 characters
- Provides multi-level programming
-Provides for a variable time delay in
each programmed string
-Support PS/2 programming in DOS,
Windows9X, Me, 2K, XP
-USB programming through the USB
HID interface, need not any keyboard
drivers.
FEATURES:
Full size POS keyboard
FEATURES:
-32 fully programmable keys
-QWERTY section is made of POS graded membrane keys
-Numeric section is made of Cherry MX key switches
-Keyboards are backed up by 1.2mm thick metal frame
-With built-in touchpad, removable, detachable cables
-Available in USB, PS/2 Interfac
-Programmable keys can be programmed with 255 characters
-Provides multi-level programming
-Provides for a variable time delay in each programmed string
-Provide a true Caps/Scroll/Numeric Lock function
independent of any other keyboards being connected
-USB programming through the USB HID interface, need not
any keyboard drivers.
78 Key POS Programmable
Keyboard
FEATURES:
-Two different key actions (soft contact and key click)
-Laser-engraved keycap symbols or high quality UV silk
screen printed keycap symbols
-Operating life cycle of individual keys:
>Soft contact mode: 50 million strokes
>Key click mode: 20 million strokes
-Damaged keys can be easily replaced and hence save
the replacement cost
-All keys can be programmed with unlimited characters
-Does not require a TSR program and hence avoids
application software crashes
-Provides multi-level programming
-Provide a true Caps/Scroll/Numeric Lock function
independent of any other keyboards being connected
LCD POS Keyboard
FEATURES:
-LCD pos programmable keyboard features
-Display is present at top of board
-Rest is same as of previous POS keyboard
LCD Features:
-Dot Matrix LCD (132 * 32), with backlight LED
-Support ESC/POS Protocol, control to display on both
display or either one
-With built-in LCD Display, replacing the bulky monitor;
low cost and space saving POS solution
QWERTY POS Keyboard
FEATURES:
-Option for Unlimited Programmability of all Keys in up to 3
Layers Provides Convenient Data Access
-Plug and Play Configuration for all Common POS Features
-Enhanced US 131/127 Position Key Layout
-Moving of Keys Allows for Easy Key Position Exchange
Including Modifier Functions
-Pop-up Window for Comfortable Display of Programmed Keys
-Robust Product Design with IP 54 Spill and Dust Resistant
Key Field for Harsh Environments
-Selection of Non-Keyboard Hexcodes Enhances Security for Credit
Card Processing
-Full size keyboard with QWERTY layout
-Fully Programmable Keyboard with 42 Relegendable Keys for Easy
Layout Configuration and Quick Function Calls
MINI QWERTY POS
KEYBOARD
FEATURES:
-Compact keyboard with QWERTY section, with programmable
keys
-High quality membrane keys with tactile feeling
-Laser-engraved keycap symbols or high quality UV silk screen
printed keycap symbols
-Damaged keys can be easily replaced and hence save the
replacement cost
-With internal strong metal plate to enhance the protection against
ESD is increased
-All keys can be programmed with unlimited characters
-Provides multi-level programming
-Support PS/2 programming in DOS, Windows9X, Me, 2K, XP
28-Key POS Keyboard
FEATURES:
-With 28 Cherry MX key switches, good tactile feeling
-With spill proof guide-array, patent design.
- Laser-engraved keycap symbols or high quality UV silk screen
printed keycap symbols
-Damaged keys can be easily replaced and hence save the
replacement cost
-Detachable cable, using RJ-45 connector, USB Interface
-All keys can be programmed with 255 characters
-Provides multi-level programming
-Provides for a variable time delay, of 0.5sec per interval
-Support PS/2 programming in DOS, Windows9X, Me, 2K, XP
-All programmed data are stored in the keyboard EEPROM.
Compact POS Keyboard
FEATURES:
-64 fully programmable keys
-QWERTY section can be on the top four rows or on the
bottom four rows
-All keys are made of POS graded membrane keys
-Keyboards are backed up by 1.2mm thick metal frame
-Detachable cable, using the tough RJ45 connector
-Available in USB, PS/2 Interface
-Programmable keys can be programmed with 255 characters
-Provides multi-level programming
-Provides for a variable time delay in
each programmed string
-Support PS/2 programming in DOS, Windows9X, Me, 2K, XP
112 Key POS keyboard
66 Key POS keyboard
51 Key POS Keyboard
FUNCTIONING OF KEYBOARD
KEYBOARD
CONTROLLER
KEYBOARD
BUFFER
SYSTEM
SOFTWARE
1 A key is pressed on the keyboard
2 The keyboard
controller sends the
scan code for the key
to key board buffer
3 The keyboard
controller sends an
interrupt request
to the system
software
4 The system software
responds to the
interrupt by reading
the scan code from
the keyboard buffer
5 The system
software passes the
scan code to CPU
ANY QUESTIONS PLEASE ?
Thank you

Weitere ähnliche Inhalte

Was ist angesagt?

Parts of computer
Parts of computerParts of computer
Parts of computer
Mukul Kumar
 

Was ist angesagt? (20)

Keyboard
KeyboardKeyboard
Keyboard
 
KEYBOARD
KEYBOARDKEYBOARD
KEYBOARD
 
Keyboard & Mouse basics
Keyboard & Mouse basics Keyboard & Mouse basics
Keyboard & Mouse basics
 
keyboard
keyboard keyboard
keyboard
 
Input devices_(Mouse and Keyboard)
Input devices_(Mouse and Keyboard)Input devices_(Mouse and Keyboard)
Input devices_(Mouse and Keyboard)
 
Keyboard
KeyboardKeyboard
Keyboard
 
Parts of computer
Parts of computerParts of computer
Parts of computer
 
Keyboard
KeyboardKeyboard
Keyboard
 
Use of Keyboard Function keys (F1 - F12) -hmftj
Use of Keyboard Function keys (F1 - F12) -hmftjUse of Keyboard Function keys (F1 - F12) -hmftj
Use of Keyboard Function keys (F1 - F12) -hmftj
 
Basic Parts of the Computer (Kindergarten)
Basic Parts of the Computer (Kindergarten)Basic Parts of the Computer (Kindergarten)
Basic Parts of the Computer (Kindergarten)
 
Computer keyboard
Computer keyboardComputer keyboard
Computer keyboard
 
Keyboard
KeyboardKeyboard
Keyboard
 
Keyboarding Basics
Keyboarding BasicsKeyboarding Basics
Keyboarding Basics
 
KEYBOARD
KEYBOARDKEYBOARD
KEYBOARD
 
84 identify group keys on the keyboard and their functions
84 identify group keys on the keyboard and their functions84 identify group keys on the keyboard and their functions
84 identify group keys on the keyboard and their functions
 
Mechanical keyboard
Mechanical keyboardMechanical keyboard
Mechanical keyboard
 
Parts of keyboard and proper handling
Parts of keyboard and proper handlingParts of keyboard and proper handling
Parts of keyboard and proper handling
 
• Input/output Devices • Input Devices • Types of Input Devices
• Input/output Devices • Input Devices • Types of Input Devices• Input/output Devices • Input Devices • Types of Input Devices
• Input/output Devices • Input Devices • Types of Input Devices
 
Keyboard
Keyboard Keyboard
Keyboard
 
Keyboard history
Keyboard historyKeyboard history
Keyboard history
 

Ähnlich wie Keyboard and its types

AN OVERVIEW ON KEYBOARD AND MOUSE
AN OVERVIEW ON KEYBOARD AND MOUSEAN OVERVIEW ON KEYBOARD AND MOUSE
AN OVERVIEW ON KEYBOARD AND MOUSE
Mithun Ghose
 
Laptop Perk Exports
Laptop Perk ExportsLaptop Perk Exports
Laptop Perk Exports
PerkExports
 

Ähnlich wie Keyboard and its types (20)

CL5708_5716.pdf
CL5708_5716.pdfCL5708_5716.pdf
CL5708_5716.pdf
 
Satellite_U500.ppt
Satellite_U500.pptSatellite_U500.ppt
Satellite_U500.ppt
 
Satellite_U500.ppt
Satellite_U500.pptSatellite_U500.ppt
Satellite_U500.ppt
 
Latest wired and wire less keyboards
Latest wired and wire less keyboardsLatest wired and wire less keyboards
Latest wired and wire less keyboards
 
AN OVERVIEW ON KEYBOARD AND MOUSE
AN OVERVIEW ON KEYBOARD AND MOUSEAN OVERVIEW ON KEYBOARD AND MOUSE
AN OVERVIEW ON KEYBOARD AND MOUSE
 
Keybord
KeybordKeybord
Keybord
 
Best gaming laptop
Best gaming laptopBest gaming laptop
Best gaming laptop
 
VariPOS--15" Multi-touch POS Systems
VariPOS--15" Multi-touch POS SystemsVariPOS--15" Multi-touch POS Systems
VariPOS--15" Multi-touch POS Systems
 
Embest catalog 2011
Embest catalog 2011Embest catalog 2011
Embest catalog 2011
 
Gt1020 1030 datasheet
Gt1020 1030 datasheetGt1020 1030 datasheet
Gt1020 1030 datasheet
 
Laptop Perk Exports
Laptop Perk ExportsLaptop Perk Exports
Laptop Perk Exports
 
Keybord
KeybordKeybord
Keybord
 
The functional design scheme of the dedicated keyboard chip kb core based on ...
The functional design scheme of the dedicated keyboard chip kb core based on ...The functional design scheme of the dedicated keyboard chip kb core based on ...
The functional design scheme of the dedicated keyboard chip kb core based on ...
 
Futurex Secure Key Injection Solution
Futurex Secure Key Injection SolutionFuturex Secure Key Injection Solution
Futurex Secure Key Injection Solution
 
time and attendance in bangladesh www.unicodebd.com
time and attendance in bangladesh www.unicodebd.comtime and attendance in bangladesh www.unicodebd.com
time and attendance in bangladesh www.unicodebd.com
 
Omnikey 5021 for 13.56 MHz Security
Omnikey 5021 for 13.56 MHz SecurityOmnikey 5021 for 13.56 MHz Security
Omnikey 5021 for 13.56 MHz Security
 
JVL Touch Operator Panels
JVL Touch Operator PanelsJVL Touch Operator Panels
JVL Touch Operator Panels
 
BCOM
BCOMBCOM
BCOM
 
BCOM
BCOMBCOM
BCOM
 
Exor epc 1550_Spec Sheet
Exor epc 1550_Spec SheetExor epc 1550_Spec Sheet
Exor epc 1550_Spec Sheet
 

Kürzlich hochgeladen

Structural Analysis and Design of Foundations: A Comprehensive Handbook for S...
Structural Analysis and Design of Foundations: A Comprehensive Handbook for S...Structural Analysis and Design of Foundations: A Comprehensive Handbook for S...
Structural Analysis and Design of Foundations: A Comprehensive Handbook for S...
Dr.Costas Sachpazis
 
VIP Call Girls Ankleshwar 7001035870 Whatsapp Number, 24/07 Booking
VIP Call Girls Ankleshwar 7001035870 Whatsapp Number, 24/07 BookingVIP Call Girls Ankleshwar 7001035870 Whatsapp Number, 24/07 Booking
VIP Call Girls Ankleshwar 7001035870 Whatsapp Number, 24/07 Booking
dharasingh5698
 

Kürzlich hochgeladen (20)

Call Girls Service Nagpur Tanvi Call 7001035870 Meet With Nagpur Escorts
Call Girls Service Nagpur Tanvi Call 7001035870 Meet With Nagpur EscortsCall Girls Service Nagpur Tanvi Call 7001035870 Meet With Nagpur Escorts
Call Girls Service Nagpur Tanvi Call 7001035870 Meet With Nagpur Escorts
 
(INDIRA) Call Girl Aurangabad Call Now 8617697112 Aurangabad Escorts 24x7
(INDIRA) Call Girl Aurangabad Call Now 8617697112 Aurangabad Escorts 24x7(INDIRA) Call Girl Aurangabad Call Now 8617697112 Aurangabad Escorts 24x7
(INDIRA) Call Girl Aurangabad Call Now 8617697112 Aurangabad Escorts 24x7
 
ONLINE FOOD ORDER SYSTEM PROJECT REPORT.pdf
ONLINE FOOD ORDER SYSTEM PROJECT REPORT.pdfONLINE FOOD ORDER SYSTEM PROJECT REPORT.pdf
ONLINE FOOD ORDER SYSTEM PROJECT REPORT.pdf
 
Russian Call Girls in Nagpur Grishma Call 7001035870 Meet With Nagpur Escorts
Russian Call Girls in Nagpur Grishma Call 7001035870 Meet With Nagpur EscortsRussian Call Girls in Nagpur Grishma Call 7001035870 Meet With Nagpur Escorts
Russian Call Girls in Nagpur Grishma Call 7001035870 Meet With Nagpur Escorts
 
The Most Attractive Pune Call Girls Manchar 8250192130 Will You Miss This Cha...
The Most Attractive Pune Call Girls Manchar 8250192130 Will You Miss This Cha...The Most Attractive Pune Call Girls Manchar 8250192130 Will You Miss This Cha...
The Most Attractive Pune Call Girls Manchar 8250192130 Will You Miss This Cha...
 
Call Girls in Nagpur Suman Call 7001035870 Meet With Nagpur Escorts
Call Girls in Nagpur Suman Call 7001035870 Meet With Nagpur EscortsCall Girls in Nagpur Suman Call 7001035870 Meet With Nagpur Escorts
Call Girls in Nagpur Suman Call 7001035870 Meet With Nagpur Escorts
 
The Most Attractive Pune Call Girls Budhwar Peth 8250192130 Will You Miss Thi...
The Most Attractive Pune Call Girls Budhwar Peth 8250192130 Will You Miss Thi...The Most Attractive Pune Call Girls Budhwar Peth 8250192130 Will You Miss Thi...
The Most Attractive Pune Call Girls Budhwar Peth 8250192130 Will You Miss Thi...
 
Java Programming :Event Handling(Types of Events)
Java Programming :Event Handling(Types of Events)Java Programming :Event Handling(Types of Events)
Java Programming :Event Handling(Types of Events)
 
Structural Analysis and Design of Foundations: A Comprehensive Handbook for S...
Structural Analysis and Design of Foundations: A Comprehensive Handbook for S...Structural Analysis and Design of Foundations: A Comprehensive Handbook for S...
Structural Analysis and Design of Foundations: A Comprehensive Handbook for S...
 
Processing & Properties of Floor and Wall Tiles.pptx
Processing & Properties of Floor and Wall Tiles.pptxProcessing & Properties of Floor and Wall Tiles.pptx
Processing & Properties of Floor and Wall Tiles.pptx
 
Online banking management system project.pdf
Online banking management system project.pdfOnline banking management system project.pdf
Online banking management system project.pdf
 
College Call Girls Nashik Nehal 7001305949 Independent Escort Service Nashik
College Call Girls Nashik Nehal 7001305949 Independent Escort Service NashikCollege Call Girls Nashik Nehal 7001305949 Independent Escort Service Nashik
College Call Girls Nashik Nehal 7001305949 Independent Escort Service Nashik
 
Coefficient of Thermal Expansion and their Importance.pptx
Coefficient of Thermal Expansion and their Importance.pptxCoefficient of Thermal Expansion and their Importance.pptx
Coefficient of Thermal Expansion and their Importance.pptx
 
(SHREYA) Chakan Call Girls Just Call 7001035870 [ Cash on Delivery ] Pune Esc...
(SHREYA) Chakan Call Girls Just Call 7001035870 [ Cash on Delivery ] Pune Esc...(SHREYA) Chakan Call Girls Just Call 7001035870 [ Cash on Delivery ] Pune Esc...
(SHREYA) Chakan Call Girls Just Call 7001035870 [ Cash on Delivery ] Pune Esc...
 
VIP Call Girls Ankleshwar 7001035870 Whatsapp Number, 24/07 Booking
VIP Call Girls Ankleshwar 7001035870 Whatsapp Number, 24/07 BookingVIP Call Girls Ankleshwar 7001035870 Whatsapp Number, 24/07 Booking
VIP Call Girls Ankleshwar 7001035870 Whatsapp Number, 24/07 Booking
 
Introduction and different types of Ethernet.pptx
Introduction and different types of Ethernet.pptxIntroduction and different types of Ethernet.pptx
Introduction and different types of Ethernet.pptx
 
Porous Ceramics seminar and technical writing
Porous Ceramics seminar and technical writingPorous Ceramics seminar and technical writing
Porous Ceramics seminar and technical writing
 
MANUFACTURING PROCESS-II UNIT-1 THEORY OF METAL CUTTING
MANUFACTURING PROCESS-II UNIT-1 THEORY OF METAL CUTTINGMANUFACTURING PROCESS-II UNIT-1 THEORY OF METAL CUTTING
MANUFACTURING PROCESS-II UNIT-1 THEORY OF METAL CUTTING
 
UNIT-II FMM-Flow Through Circular Conduits
UNIT-II FMM-Flow Through Circular ConduitsUNIT-II FMM-Flow Through Circular Conduits
UNIT-II FMM-Flow Through Circular Conduits
 
BSides Seattle 2024 - Stopping Ethan Hunt From Taking Your Data.pptx
BSides Seattle 2024 - Stopping Ethan Hunt From Taking Your Data.pptxBSides Seattle 2024 - Stopping Ethan Hunt From Taking Your Data.pptx
BSides Seattle 2024 - Stopping Ethan Hunt From Taking Your Data.pptx
 

Keyboard and its types

  • 1.
  • 4. 1. Compact Size POS Keyboard 2. Full Size POS Keyboard 3. 78-Key POS Keyboard 4. LCD-POS Keyboard 5. Qwerty-POS keyboard 6. Mini Qwerty POS Keyboard 7. 28-Key POS Keyboard 8. Compact POS Keyboard 9. 112, 66, 51, Key POS Keyboard Here, are some types:
  • 5. Compact Size POS Keyboard
  • 6. -64 fully programmable keys -Keyboards are backed up by 1.2mm thick metal frame -Available in USB, PS/2 Interface -Programmable keys can be programmed with 255 characters - Provides multi-level programming -Provides for a variable time delay in each programmed string -Support PS/2 programming in DOS, Windows9X, Me, 2K, XP -USB programming through the USB HID interface, need not any keyboard drivers. FEATURES:
  • 7. Full size POS keyboard
  • 8. FEATURES: -32 fully programmable keys -QWERTY section is made of POS graded membrane keys -Numeric section is made of Cherry MX key switches -Keyboards are backed up by 1.2mm thick metal frame -With built-in touchpad, removable, detachable cables -Available in USB, PS/2 Interfac -Programmable keys can be programmed with 255 characters -Provides multi-level programming -Provides for a variable time delay in each programmed string -Provide a true Caps/Scroll/Numeric Lock function independent of any other keyboards being connected -USB programming through the USB HID interface, need not any keyboard drivers.
  • 9. 78 Key POS Programmable Keyboard
  • 10. FEATURES: -Two different key actions (soft contact and key click) -Laser-engraved keycap symbols or high quality UV silk screen printed keycap symbols -Operating life cycle of individual keys: >Soft contact mode: 50 million strokes >Key click mode: 20 million strokes -Damaged keys can be easily replaced and hence save the replacement cost -All keys can be programmed with unlimited characters -Does not require a TSR program and hence avoids application software crashes -Provides multi-level programming -Provide a true Caps/Scroll/Numeric Lock function independent of any other keyboards being connected
  • 12. FEATURES: -LCD pos programmable keyboard features -Display is present at top of board -Rest is same as of previous POS keyboard LCD Features: -Dot Matrix LCD (132 * 32), with backlight LED -Support ESC/POS Protocol, control to display on both display or either one -With built-in LCD Display, replacing the bulky monitor; low cost and space saving POS solution
  • 14. FEATURES: -Option for Unlimited Programmability of all Keys in up to 3 Layers Provides Convenient Data Access -Plug and Play Configuration for all Common POS Features -Enhanced US 131/127 Position Key Layout -Moving of Keys Allows for Easy Key Position Exchange Including Modifier Functions -Pop-up Window for Comfortable Display of Programmed Keys -Robust Product Design with IP 54 Spill and Dust Resistant Key Field for Harsh Environments -Selection of Non-Keyboard Hexcodes Enhances Security for Credit Card Processing -Full size keyboard with QWERTY layout -Fully Programmable Keyboard with 42 Relegendable Keys for Easy Layout Configuration and Quick Function Calls
  • 16. FEATURES: -Compact keyboard with QWERTY section, with programmable keys -High quality membrane keys with tactile feeling -Laser-engraved keycap symbols or high quality UV silk screen printed keycap symbols -Damaged keys can be easily replaced and hence save the replacement cost -With internal strong metal plate to enhance the protection against ESD is increased -All keys can be programmed with unlimited characters -Provides multi-level programming -Support PS/2 programming in DOS, Windows9X, Me, 2K, XP
  • 18. FEATURES: -With 28 Cherry MX key switches, good tactile feeling -With spill proof guide-array, patent design. - Laser-engraved keycap symbols or high quality UV silk screen printed keycap symbols -Damaged keys can be easily replaced and hence save the replacement cost -Detachable cable, using RJ-45 connector, USB Interface -All keys can be programmed with 255 characters -Provides multi-level programming -Provides for a variable time delay, of 0.5sec per interval -Support PS/2 programming in DOS, Windows9X, Me, 2K, XP -All programmed data are stored in the keyboard EEPROM.
  • 20. FEATURES: -64 fully programmable keys -QWERTY section can be on the top four rows or on the bottom four rows -All keys are made of POS graded membrane keys -Keyboards are backed up by 1.2mm thick metal frame -Detachable cable, using the tough RJ45 connector -Available in USB, PS/2 Interface -Programmable keys can be programmed with 255 characters -Provides multi-level programming -Provides for a variable time delay in each programmed string -Support PS/2 programming in DOS, Windows9X, Me, 2K, XP
  • 21. 112 Key POS keyboard
  • 22. 66 Key POS keyboard
  • 23. 51 Key POS Keyboard
  • 25. KEYBOARD CONTROLLER KEYBOARD BUFFER SYSTEM SOFTWARE 1 A key is pressed on the keyboard 2 The keyboard controller sends the scan code for the key to key board buffer 3 The keyboard controller sends an interrupt request to the system software 4 The system software responds to the interrupt by reading the scan code from the keyboard buffer 5 The system software passes the scan code to CPU