•A keyboard is one of the primary input devices that allows users to input text into a computer or any other electronic machinery.
•It is a peripheral device that is the most basic way for the user to communicate with a computer.
•It consists of multiple buttons, which create numbers, symbols, and letters, and special keys like the Windows and Alt key, including performing other functions.
•The design of the keyboard comes from the typewriter keyboards, and numbers and letters are arranged on the keyboard in that way, which helps to type quickly.
Types of keyboards
QUERTY Keyboard, DVORAK Keyboard & AZERTY Keyboard
Keys in Keyboard :
•Alphanumeric
•Numeric
•Function
•Cursor control
> Home
> End
> Page up
> Page down
Other Keys :
•Control Key
•Enter Key
•Shift Key
•Escape Key
•Backspace Key
•Caps Lock Key
•Num Lock Key
•Widows Key
•Spacebar Key
•Tab Key
•The above keyboard design is called QWERTY design because of its first six letters across in the upper-left-hand corner of the keyboard.
Flexible keyboard:
•It is a type of keyboard that is made of soft silicone with highly portable.
•It is water and dust-resistant and does not require constant cleaning.
•It acts the same as a standard keyboard and connects to the computer via a USB connection serial port.
•These types of keyboards can also be more durable in terms of some ways, as compared to a traditional keyboard.
•It does not make a sound when being used; that’s why it is also called a silent keyboard.
•These keyboards are useful for traveling time because they can be rolled up into a bag and flexible in outdoorsy situations.
Ergonomic Keyboard:
•This type of keyboard is beneficial for your body posture.
•Instead of adjusting yourself to fit the keyboard, it is designed to fit you easily, ease of use, and reduce strain.
•It is designed in that way; instead of bending their hands, it allows users to straight their hands.
•Generally, the space-bar is bigger as compared to a regular keyboard, which allows for fast typing.
Wireless Keyboard:
•It is a computer keyboard that is connected to computers, laptops, or tablets without any cables.
•It uses radio frequency (RF), infrared (IR), or Bluetooth technology to connect with devices.
•Users can move the wireless keyboard around without having to put it on a desk as it provides portability and flexibility to the users.
•It is designed by stainless steel material that increases its life for a long time.
•It can set up very easily by plugging the USB receiver into the computer.
•It utilizes light waves to transmit signals to other infrared-enabled devices as it is based on infrared technology.
•Some wireless keyboards use radio frequency technology, which communicates via signals with a range from 27 MHz to up to 2.4 GHz.
Mechanical Keyboard:
•It is made with high quality that commonly used in both home and office.
•It is designed for long life with high durability and responsiveness.
•It provides crisp click sound, medium resistance, and better feedback for gaming performance and ultimate typing.
•It offers framing, switches, type print methods, functionality, PCB board, key construction, LED lighting, or more other better features as compared to traditional rubber dome keyboards.
Virtual Keyboard:
•It is a software-based keyboard that enables users to type without the need for physical keys.
•It is an alternative for a physical keyboard or a digital representation of a QWERTY keyboard.
•These types of keyboards commonly have many pages of characters, including numbers, letters, punctuation, and symbols.
•Some virtual keyboards also include options to insert emojis, stickers, or animated GIFs on the basis of the device’s operating system.
•The devices that contained virtual keyboard are tablets, smartphones, and other portable devices, because these devices do not require the constant use of a physical keyboard.
•Gboard: Google created a virtual keyboard for Android and iOS that includes features like GIFs, customizable themes, and translation capabilities.
•OSK: It stands for an on-screen keyboard. It is commonly found in Microsoft Windows.
Projection Keyboard:
•It is a form of computer input device that can be connected via Bluetooth to the mini PC, tablet computer, or even smartphone.
•In projection keyboard, the image of a virtual keyboard is projected onto a surface.
•The device records the corresponding keystroke when a user touches any key from the shown keyboard on the surface.
•Some devices are connected via Bluetooth devices such as tablets, smartphones, mini-PC with Android, Windows operating system or iOS, etc
Gaming Keyboard:
•A keyboard that contains a few specific keys used for gamer is known as a gaming keyboard.
•The W, S, D, A, and arrow keys are widely used for games on the standard QWERTY keyboard.
•Gaming keyboards (mostly mechanical keyboard), the key switches needless depression that provides faster action for games.
At the beginning of the 1970s, keyboards began to use what we use today. Those keyboards were heavy mechanical or reconstructed electric typewriters from companies such as IBM. Apple, Radio Shack, and Commodore introduced their computers in the late 1970s that come included keyboards. Later, IBM PC and the Model F keyboard introduced by IBM in August 1981.
