What is Keyboard And its Types ( With Images )

What is Keyboard And its Types ( With Images )












What is a keyboard device?



In computing, a computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. 


What is Keyboard And its Types


A keyboard is also used to give commands to the operating system of a computer, such as Windows' Control-Alt-Delete combination.



  • What is keyboard use?



A computer keyboard is an input device used to enter characters and functions into the computer system by pressing buttons, or keys. It is the primary device used to enter text. A keyboard typically contains keys for individual letters, numbers and special characters, as well as keys for specific functions.

Keyboard


What is Keyboard And its Types


The keyboard is the most common and very popular input device which helps in inputting data to the computer. The layout of the keyboard is like that of the traditional typewriter, although there are some additional keys provided for performing additional functions.
Keyboards are of two sizes 84 keys or 101/102 keys, but now keyboards with 104 keys or 108 keys are also available for Windows and Internet.

The keys on the keyboard are as follows:





  • Keys

1. Typing Keys
These keys include the letter keys (A-Z) and digit keys (0-9) which generally give the same layout as that of typewriters.


2. Numeric Keypad
It is used to enter numeric data or cursor movement. Generally, it consists of a set of 17 keys that are laid out in the same configuration used by most adding machines and calculators.


3. Function Keys
The twelve function keys are present on the keyboard which are arranged in a row at the top of the keyboard. Each function key has a unique meaning and is used for some specific purpose.


4.Control keys
These keys provide cursor and screen control. It includes four directional arrow keys. Control keys also include Home, End, Insert, Delete, Page Up, Page Down, Control(Ctrl), Alternate(Alt), Escape(Esc).




5.Special Purpose Keys
Keyboard also contains some special purpose keys such as Enter, Shift, Caps Lock, Num Lock, Space bar, Tab, and Print Screen.





Types of Keyboard 







  • Multimedia Keyboard






What is Keyboard And its Types


What is a multimedia keyboard?


A multimedia keyboard is one with media keys — additional buttons, typically along the top, for controlling audio playback, for starting common applications (e.g. e-mail client and Web browser) and other auxiliary functionality.







What is Keyboard And its Types


What is the mechanical keyboard?

A mechanical keyboard is a keyboard built with high quality, typically spring activated, key switches. These key switches vary based on the keyboard's application or user preference. ... Mechanical keyboards simply feel better than rubber dome keyboards.


Wireless Keyboard





What is Keyboard And its Types



A wireless keyboard is a computer keyboard that allows the user to communicate with computers, tablets, or laptops with the help of radio frequency (RF), infrared (IR) or Bluetooth technology.
Virtual Keyboard.


USB Keyboard




What is Keyboard And its Types



What is a USB keyboard?

A wired keyboard means there is a wire connecting your keyboard to your computer. At the end of the wire is a USB plug that goes into a USB port on your computer. Wired keyboards are extremely reliable—there is little that could go wrong with this direct connection.


Ergonomic Keyboard




What is Keyboard And its Types


An ergonomic keyboard is a computer keyboard designed with ergonomic considerations to minimize muscle strain and a host of related problems. 

Typically such keyboards for two-handed typists are constructed in a V shape, to allow right and left hands to type at a slight angle more natural to the human form.


QWERTY Keyboard





What is Keyboard And its Types


The QWERTY (pronounced KWEHR-tee ) keyboard is the standard typewriter and computer keyboard in countries that use a Latin-based alphabet. QWERTY refers to the first six letters on the upper row of the keyboard. ... The QWERTY arrangement was intended to reduce the jamming of typebars as they moved to strike ink on paper.

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What is Keyboard And its Types ( With Images )

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