Keyboard (keyboard) The keyboard or the keyboard (keyboard) consists of the letter buttons. Numbers and symbols so that you can enter information into the computer. As a receiver, keyboard basics There is a similar feature, but have added a typewriter keyboard controls for a specific computer. There is usually a button, which may be some version of 101 is less or more, it can be divided into groups by are as follows:101-key Enhanced keyboard104-key Windows keyboard82-key Apple standard keyboard108-key Apple Extended keyboardNotebook & Palm keyboardThe behavior of the keyboard.Operation of the keyboard are caused by changing the mechanism press the electrical signals sent by the computer, it will tell the computer to know what key is pressed. All work will be controlled by the. Microprocessors (microprocessor), a small keyboard and packed in various signal will pass through the signal cable to the connector of the keyboard is divided into 4 categories.5-pin connector DIN (Deustche Industrie Norm) is used with large computer connector on the first version.6-pin IBM PS/2 mini-DIN connector is a small connector. The current widely found.4-pin USB (Universal Serial Bus) connector is a new version of the connector. Internal connector is a connector found on the internal Notebook Computer.Button on the keyboard. ในการพิมพ์ตัวอักษรเราจะใช้ปุ่มอักขระ ซึ่งเรียงตัวแบบเดียวกับในเครื่องพิมพ์ดีดทั่วไป ซึ่งเราเรียกว่า QWERTY ซึ่งเป็นตัวอักษรในแถวบน 6 ตัวนั่นเอง การเรียงตัวแบบนี้เพื่อทำให้ความเร็วในการพิมพ์ของนักพิมพ์ดีดลดลง เหตุผลก็คือ บริษัทพิมพ์ดีดสร้าง เนื่องจากกลไกการทำงานของแขนของเครื่อมพิมพ์ดีดจะมาทับกันได้ถ้าคนพิมพ์เร็วเกินไป แล้วก็กลายมาเป็นรูปแบบที่ใช้กันมายาวนานจนจนกลายเป็นมาตรฐาน และผู้ใช้เริ่มคุ้นเคย บริษัทที่ผลิตแป้นพิมพ์ก็เลยผลิตแป้นพิมพ์สำหรับคอมพิวเตอร์ใรแบบเดียวกัน ถึงแม้ว่าจะไม่มีปัญหาเรื่องการทับกันของแขนพิมพ์ก็ตาม ต่อไปจะอธิบายหน้าที่การทำงานของปุ่มบางปุ่มที่น่าสนใจThe button Alt will have two buttons next to the space bar, the bar will be used as the Alt button button button, similar to the shift to supplement that is when we press A single screen, it appears the letter A, but if we press Alt with A concurrently running, it will become a function of the command Alt-A which function or the operation of the order in each program are different.Crtl button will have two buttons, as well as the auxiliary button is Alt button, as well as the Alt button works, it's similar, for example, when you press Ctrl together with characters in a computer, which may be different according to the active program. Turn-key or button-shaped window is the window that is the symbol of which is for facilities. To enable this button, the programs will be on your left between Ctrl and Alt buttons located this button does not work only with Windows operating systems only. In another operating system, it can work as well. If there is a driver, which monitors the press of the button turn. Numeric buttons as part of the development of the keyboard to facilitate business. A button that is added to all 5 buttons, which have a similar arrangement in the calculator for ease of use celebrities. Most of the control buttons. The control button allows you to scroll a page or individual lots. The controls include: Home End Insert Delete Page Up Page Down Control (Ctrl) Alternate (Alt) Escape (Esc)The control button. When working with some of the other buttons can be ordered. Community possible.Alt + F4 to close the window at work and start buttons window is open, or WK can work together with other buttons. As follows:WK-using Windows Explorer open, e +F + WK-using default open file or folder.Ctrl + f + WK-using open, find the computer on the network.WK + M-Minimize command is used to display the works first start screen or desktop.WK + Shift + M-minimize window that is used to remove them.WK + r Run dialog window, open-up.WK + F1-open window helpWK + Pause-opens The properties of the system (system properties).From the keyboard to the computer.When you type on the keyboard. The control processor of the keyboard or button that will analyze any button is pressed down, from where it is stored in memory, the small size of approximately 4 bytes then it will forward the connection to the computer through which there are many types of.The keyboard is plugged in general are as follows: 5-pin DIN (Deustche Industrie Norm) connector 6-pin IBM PS/2 mini-DIN connector 4-pin USB (Universal Serial Bus) connector Internal connector is a connector found on the internal Notebook Computer.The first 5-pin a DIN connector (Deustche Industrie Norm) is used with large computer connector on the first version. Rare, and in the current Most computers used IBM PS/2 mini-DIN 6-pin is small and there is a develop 4-pin USB (Universal Serial Bus), but however the keyboard connector, In principle, the data into the computer. There must be power delivery to the keys to work. In General, the keyboard will use approximately 5 volts and channels to send data from the keyboard into the computer.At the other end of the cable, there is one section that monitors the behavior of the keyboard. Called keyboard controller IC circuit, which is. The keyboard controller will process all information coming from the keyboard and go to the operating system. When the operating system check, it will receive the data.Determine whether or not a system command. The command system, such as Ctrl-Alt-Del, which is on the new commands, the computer boots.Programs that are running to get data from the keyboard to a level where the program understand and determine whether or not a program command such as file open command is Ctrl-O.โปรแกรมที่กำลังทำงานอยู่จะรับข้อมูล (ถ้าข้อมูลที่ได้รับไม่ใช้คำสั่ง) เพื่อทำงานต่อไปนอกจากนี้ โปรแกรมยังสามารถไม่รับคำสั่งหรือข้อมูลต่างๆ จากแป้นพิมพ์ หรือเพิกเฉยต่อข้อมูลที่ส่งเข้ามาได้ด้วย
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