Computer keyboard: Understanding the keyboard and its types as well as its function on computers – Maybe in this modern era.
We are already familiar with this one object because those who often use computers will definitely use this object. Okay, this discussion is made for you who want to know the definition, types, and functions of the keyboard, here’s the discussion.
A. What is a keyboard
A keyboard is hardware (hardware) on a computer that functions as a tool to input data in the form of letters, numbers, and symbols. The definition of a keyboard is a piece of hardware on a machine that is part of a board and has various kinds of buttons.
Apart from being a tool for inputting data, the keyboard also has various key functions with special combinations. Generally, there are 2 types of keyboard ports on computers including PS2 and USB, but as technology develops, now there are keyboards that use wireless or without using cables. Read also about: Understanding Computers and the history of computer development.
B. Types of keyboards on computers
1. QWERTY keyboard
In 1878 invented this keyboard layout. Then this QWERTY keyboard became the standard on commercial typewriters in 1905. The QWERTY name has 6 consecutive letters on the 2nd row of the alphanumeric keyboard key
2. Dvorak Keyboard.
In 1932 invented this keyboard. The arrangement of letters on the Dvorak keyboard can arrange in such a way. On this keyboard, the right hand will be more burdened with work when compared to the left hand. Then the design of the Dvorak keyboard layout is 70% emphasis is on the home line, so it can reduce fatigue when typing.
3. Alphabetic Keyboard.
The keys on this alphabetic keyboard are arranged exactly the same as on the QWERTY keyboard and Dvorak keyboard, but the arrangement of the letters is sequentially as well as the order of the letters of the alphabet. This keyboard slows down typing speed. therefore rarely use it
4. Klockenberg Keyboard.
The purpose of the Klockenberg Keyboard is to improve the existing keyboard type. By separating the two parts of the keyboard, namely the left and right. Then, the left and right parts of this keyboard are separated by an angle of 15 degrees and are tilted to the bottom. And this keyboard has keys that are closer to the table.
5. Numeric Keyboard.
A numeric keyboard is a type of keyboard for entering very large numbers, people prefer to use number keys whose layout is easy to reach by hand, making it more comfortable to use.
C. Functions of the keyboard on the computer
The general function of the keyboard on a computer is to send commands from each letter, number, and symbol to the CPU (Central Processing Unit). Then, the command will turn into a digital signal so that the processor understands the command.