The smaller keyboard with fewer keys or only numeric characters is called a thumb keyboard. But the inaccuracy in typing and gaming made them lose the importance. The cost is very less for these keyboards. These keyboards use pressure pads and have characters printed on a flexible surface called membrane. Buttons are attached with membranes of the switches in the keyboard and this is used in almost all the devices now. The technology varies for devices which makes this special. The keys are square-shaped with rounded edges in this keyboard. The design is so good that anyone could fall in love with the keyboard. W, S, D, A and arrow keys are the only keys you could find in this keyboard. Graphics are also included in the keyboard. The keyboard that has very few keys specific for gamers is called gaming keyboard. This keyboard is the most common one used by all of us and hence needs no introduction. Early computer keyboards were also built in the same manner for the ease of use for typewriter users. The earlier typewriters had keys in the range QWERTY due to the arrangement of strings. This keyboard is expensive and not affordable for common people. The keyboard is built with the view of ergonomics. The advantage of this keyboard is less muscle strain and carpal tunnel syndrome for users. This keyboard is mainly designed for users who use both hands for typing. Installation of suitable drivers helps to resolve this issue. While rebooting the system, the keyboard is not supported and hence the users may face an issue. Universal Serial Bus Keyboard has a USB stick with a wire which has to be inserted into the USB port of the system. There is no physical object to carry for a virtual keyboard. Also in the windows system, we can use a virtual keyboard that appears on the screen. This can be automatically set as per need. This keyboard appears when needed and disappears when typing is completed. The keyboard used in smartphones is called a virtual keyboard. Transmitter sends the strokes from the keyboard as radio waves which are received by trans-receiver kept near parent device. These keyboards should have a transmitter and trans-receiver. These keyboards are lightweight and smaller in size. We can port the keyboard and the parent system is not needed near the keyboard. Wireless Keyboardīluetooth, IR technology or Radio Frequency is used to connect the keyboard with the computer device. Professional gamers mostly use mechanical Keyboard for better gaming performance you can always use Tap Counter to check and improve your tapping on the Keyboard. A button is pushed down, and an electrical signal is sent to the computer device which then shows the characters. The primitive keyboard which uses physical buttons for each key is called a mechanical keyboard. Also, a button to launch a browser, my computer, calculator is available. The buttons include play, pause, previous, next, volume up, volume down, mute and special button to launch media. The keyboard that has all multimedia buttons is called multimedia keyboard. Keyboards are classified based on the size and their mode of usage. Based on the connectivity options used for a keyboard to connect with a computer, it is classified as a wired keyboard, a wireless keyboard, a Bluetooth keyboard and an USB keyboard. The various types of computer keyboards typically used by computer users for different purposes are a qwerty keyboard, a gaming keyboard, a virtual keyboard and a multimedia keyboard. A keyboard is a portable wired or wireless electronic device that contains all the alphabets, numerics, symbols and special characters, which is used for entering input data into a laptop/ desktop computer system.
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