Dear readers in this article, we will read about the Introduction of Keyboard and The Type of Keyboards.
Keyboards -This is the main input device of any computer using which text and numerical data can be input into a computer. Keyboards are often in the same order as typewriters, but have more buttons than typewriters.
It has some function buttons that can be predetermined for repetitive tasks such as the F1 button that is programmed to assist. There is a special place to connect the key board to the computer. But nowadays the Keyboards of the USB come.
Which are installed in the USB port of the computer and also come with wireless keyboards. Those who do not need to connect to the system. There are five types of keyboards in the alpha numeric key board of a standard laptop.
1. Alphabet key – The board consists of 26 alphabet keys A to Z. Using which we can write any word or text.
2. Numeric keys – These keys are used to type numbers. Numbers from 0 to 9 are inscribed on these. Generally The numeric keys is to type the digits on the right side of the key board. It consists of digits, decimal, addition, subtraction, multiplication and division keys from 0 to 9.
3. Function keys – These keys are located at the top of the key board. These buttons are marked F1 to F12. These are predetermined for the work to be done frequently. Use of these saves time.
4. Cursor Control Key – These keys are used to move the cursor anywhere on the screen. These indicate four different directions. Which is represented by four arrow marks. They are also called arrow keys. It is called right, left, up and down arrow keys.
Just above these are four side buttons to control the cursor. Which are called home, end, page up and page down.
Home – Moves the cursor to the beginning of the line.
End – Moves the cursor to the end of the line.
Page Up – Moves the cursor backward one page.
Page Down – Moves the cursor to the next page.
5. Special Purpose Key
- Caps Lock Key – This is a toggle button, toggle button means that once activated, it becomes active and on the second press it becomes inactive. Keeping it active, all the letters are written in big letters. Which is called uppercase in computer. It is deactivated by pressing again. Which starts writing in lowercase letters.
- Num lock key – This is also a toggle button, because its numbered key pad on the board keeps the screen active. Otherwise, the number pad acts as a directional arrow.
- Shift key – This is a combination button. Use it with some other button. Any button on the key board is marked with two letters. So, we use the shift key to type the above letter. for example there is an @ character in the upper part of 2 on the board, so we press the @ button with shift to type @. So @type occurs. Otherwise there will be 2 types. Even if the caps lock is active, typing any letter with shift will be typed in lowercase letters. We also use it to make number pad as a directional arrow. The shift-key is in two places on the keyboard.
- Enter Key – It is used to execute or start the command name or program name given to the computer. Starts a line or end and new line in the document. It is also in two places on the keyboard.
- Tab Key – This is the abbreviation of the tabulator button. It moves the cursor to a certain distance at once and moves to another link in the browser page. Which is used to move from one class of table in Word or Excel to another.One of the options given in the dialog box can also be selected by setting the tab in the word document, the margin of the page is set between the paragraph and the distance between words.
- Esc-Escape Key – This is equivalent to the cancel button, its use in the power point stops the slideshow and the animation running on the web page stops and the web page that is loading stops using it. And when used with the control, the start menu opens ie any work that is going on in the computer or the program is open, closes or gets out of it.
- Space bar – It is used to insert space between words.
- Back Space Key – It is used to erase the letter, symbol or space just to the left of the cursor.
- Delete key – It is used to erase the letter, symbol, or space just to the right of the cursor. The selected word, line, page, file or drawing can be deleted by this.
- Control key – It is also a connective button which performs special functions in association with any other button. Its function varies according to different software. Such as – Control + C to copy and Control + V paste. There are two control keys on the keyboard. By pressing Control + Alt + Delete all three buttons simultaneously, the window of the window task manager opens and with this we can close any program. If a program hangs while running in the computer, then the program can be stopped using these three buttons. It is also called reset.
- Print screen key – File or photo displayed on the screen can be printed by the printer using this key with the shift key.
- Scroll lock key – This button is located above the key board, near the pause key. This temporarily stops the text or running program in one place. This button has to be used again to activate the text or program again.
- Pause key – This key is located on the right side above the Key board. This button temporarily stops the running program and upon pressing any button the program starts running again. For example, in computer games it is used to temporarily stop the game.
- Modifier Key – This is a special key on a computer keyboard used in someone’s combination. It transforms the work of another key. For example, Alt + F4 closes the active program window in MS Windows. Where there is an alt modifier that converts the function of the F4 button.
Following are some of the modifier Keys
- Shift key
- Control keys
- Alt key
Thanks to those who read this article, I hope and believe that you must have liked this article. I have tried my best to Introduction of Keyboard in this article.