keyboard
DESCRIPTION
Keyboard - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Keyboard](https://reader035.vdocuments.site/reader035/viewer/2022062314/568129ef550346895d8ccbd1/html5/thumbnails/1.jpg)
THE KEYBOARD
SAI RAM ASSOCIATE
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THE KEYBOARD
• It is an input device.
• Its design came from typewriters that did not
use electricity.
• A person can type a document, access menus,
play games and perform variety of other tasks.
• Keys, called Keycaps are the same size and
shape from keyboard to keyboard.
• These are also placed at the similar distance
from one another in a similar pattern.
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• A standard computer keyboard has about 100 keys.
• Most keyboards use the QWERTY layout, named for
the first six keys in the top row of letters.
STANDARD KEYBOARD LAYOUT
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STANDARD KEYBOARD LAYOUT
Most keyboards have keys arranged in five groups
Alphanumeric keys Numeric keypad Function keys
Modifier keys Cursor-movement keys
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ACADEMIC RECORDSPassword
ENTER Invalid Password
* * * * *
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ERGONOMIC KEYBOARDS
• Long periods of keyboard use can cause injuries.
• An ergonomically correct keyboard can help you avoid injuries.
• This design keep a user’s hands stay positioned correctly, reducing bending and strain.
• These look like traditional keyboard, but been divided down the middle, keeping a person’s hands farther apart and aligning the wrists with the forearms.
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VARIANTS OF KEYBOARD
• Illuminated keyboards– It uses light-emitting diodes or electroluminescent film to send
light through the keys or the spaces between keys.
• Optimus keyboard– It has organic light-emitting diodes (OLEDs) in the keys. – Users can change what letter, command or action each key
represents, and the OLED can change to display the new information.
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Illuminated keyboards Optimus keyboard
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CONATCT US
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