HISTORY OF KEYBOARDS keyboard is like a typewriter that lets you enter information to a computer or any other form of device that you are using. Computer keyboards are similar to electric-typewriters but contain additional typing keys. In 1868, Christopher Latham Sholes invented the QWERTY keyboard with other inventors like Samuel W. Soule, Carlos Glidden and John Pratt. It was actually patented from the likes of a typewriter which was first use for delivering messages and encoding letters and numbers.
A keyboard is composed of 110 keys. Four major keyboard layouts being used worldwide is QWERTY, AZERTY, QWERTZ and HCESAR and they are also classified in different categories which depend on what type of computer is being used, the connector, its size and also number of keys and more. What you need to know about a keyboard is that they do perform several tasks which includes the following list: typing of documents, to use keystroke shortcuts, for accessing menus, and also to play your favorite games. Though the applications are more or less same in all the computer keyboards, they have different keys depending on various factors.
These factors include the difference if they are being connected to a desktop computer or into a laptop. In Spite of all these, the physical aspects are all the same. Sizes and shapes of the keys on the keyboard do not differ much between various keyboards and also its arrangement. The standard layout of letters, numbers, and punctuation is known as QWERTY due to the first six typing keys on the top row of letters spell QWERTY.
The QWERTY keyboard was designed in the 1800s for mechanical typewriters and was actually designed to slow typists down to avoid jamming the keys on mechanical units. TYPES OF KEYBOARDS Here are some of the types of keyboards by generation which that went to a series of changes through time to be more effective and more convenient to its users. Ergonomic Keyboard- its slightly broader and different in shape when you compare it with the normal keyboard.
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ADB Keyboard (Apple Desktop Bus)- This is specifically for Apple computers which uses its own special port. XT Keyboard- This is an obsolete type, this are supported by older computers it has much larger the modern keyboards, Enter key is backward L shaped.
Mini PS/2 Keyboard-It has fewer keys and does not have a numeric keypad and also small in size. Multimedia Keyboard -This keyboard is designed for multimedia designing, composed of additional keys for multimedia purposes. Internet Keyboard -It has special keys like back and forward key, it also has an email launch key, home key and browser launch key and more. Mechanical Keyboard / Gaming Keyboard -Available in wired and wireless it is more on gaming and composed of more gaming-oriented features. Membrane Keyboard -These are rare kinds of keyboards, keys are so close and mostly used in mobile phones and old landline phones. There are other several types of keyboards in the market or may have been invented, but it will all end up being a QWERTY kind of keyboard which basically offers the same layout for its keys, may it be on plastic, metal or glass like the ones being used on various phones and tablet computer's touch screen.
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