One of the main input devices used with a computer that resembles those found on electric typewriters is a computer keyboard, but with a few extra touches. The keyboard allows you to enter letters, numbers, and other symbols into a computer that can act as commands or be used to type text. Say no to plagiarism. Get a tailor-made essay on “Why Violent Video Games Should Not Be Banned”? Get the original essay QWERTY Keyboard Layout The image of a QWERTY computer keyboard with each of the selectable keys is shown below. Types of Keyboard: Standard Keyboards Laptop-Sized Keyboards Flexible Keyboards Portable Keyboards Thumb Full-Size KeyboardsMulti-Functional KeyboardsWhy the keyboard is used as an input device?A computer keyboard is considered an input device because it only sends data to a computer. It also does not receive any information.Keyboard Ports and InterfacesToday, USB or Bluetooth for wireless communication are used to connect to the keyboard of most desktop computers. A computer may have used PS/2, Serial, or AT (Din5) as its keyboard interface, before USB.On-screen input devices: On-screen keyboardsTouchscreen keyboardsOn-screen keyboards:An on-screen keyboard The screen is a software keyboard available in most operating systems, especially Microsoft Windows, and in other applications. An on-screen keyboard allows users to enter text using a joystick or pointing device. In addition to improving input options for physically disabled users, it also serves as an alternative to a physical keyboard. On-screen keyboards are also called "software" keyboards or "software" keyboards. For typing, an on-screen keyboard displays a virtual on-screen keyboard for users. Any pointing device such as a mouse, stylus, joystick, etc. can be used to make it work. Resizable and customizable are two features of this keyboard, furthermore it allows you to change the typing mode, font, etc. as needed. Particularly those of Windows 7 and later versions of some on-screen keyboards, they are equipped with a predictive text engine, which helps predict the words that users can type. However, most on-screen keyboards have predictive text input because typing on an on-screen keyboard is slower. and more difficult than on a physical keyboard. An on-screen keyboard is an application that provides a visual keyboard on your display screen that can be used in place of a physical keyboard. The on-screen keyboard can be manipulated by the mouse or other pointing device and can be configured in three layouts: 101-key display (standard keyboard) 102-key display (one additional backslash) 106-key display ( additional characters useful for typing Japanese). Touch Screen Keyboards: Touch Screen Keyboard is not a standalone program. It has two new keyboard types: alphabetical and alphanumeric. These changes were made to further emphasize the convenience of using the keyboard on touchscreen devices. The alphabetical layout supports all languages ​​installed on your system (when you change the input language, the on-screen keyboard layout also changes). The alphanumeric layout allows you to enter numbers and 35 other characters: arithmetic signs, parentheses, currency symbols, etc. Keep in mind: this is just one..