What is keyboard and how many types are there?

After all what is a keyboard ? You must have used the keyboard. Because if you have used a computer or a laptop then you must have used the keyboard for your typing. But there will be many of you who do not have complete knowledge about the keyboard. So to understand these post keyboard information these Hindi people will be very helpful.

what is a keyboard 
what is a keyboard

If you already know about Computer then you will have knowledge about the definition of keyboard in Hindi and why it is used. By the way, let me tell you that we use computer keyboard to do data entry in computer . With this, we can also do typing with the help of it. So today I thought why not give you complete information about the type of keyboard so that all your doubts will be clear. Then without delay, let’s start and know how many buttons are there in this keyboard.

What is a computer keyboard?

Keyboard is an Input device. It is mainly used to enter commands, text, numerical data and other types of data in a computer. In order to interact with a user computer, input devices such as keyboard and mouse are used.

After this, these entered data is converted into machine language so that CPU can understand the data and instructions that are coming from input devices.

How to connect keyboard with computer

If we talk about time first then PS / 2 or serial connector was used to connect the keyboard with the computer. But if I talk about now, then USB (universal serial bus) and wireless connectors are used.

It is now very easy to connect them. The disadvantage of Wiress Keyboard is that in this we have to change the battery again and again. Otherwise it is more portable than other keyboards.

Types of Keyboard

There are many different types of keyboard layouts which are manufactured according to region and language. Today I am going to tell you about those types.

QWERTY: This layout is used the most in the world and it has been named according to the first 6 letters, which you can see in the earlier top row. It is used in almost all countries. It is used so much that many people think that this type of keyboard is mehjud.

AZERTY: It has been developed in France, QWERTY layout according to another variation and is also considered as standard French keyboard.

DVORAK: This layout is designed to reduce finger movement so that it can be typed more quickly and fast than QWERTY and AZERTY keyboard.

If I talk about now, then the keyboards that are used in the present time are mostly ‘QWERTY’.

Keys of five categories of Keboard

In the keyboard of a computer, many letters, numbers, symbols and commands are placed in the shape of a button, and each of these belong to some specific category. So if you know which category belongs to which key, then you can easily know about their function.

Some keyboards have special keys, while others do not, but all keyboards have the same alphanumerical keys.

Alphanumeric Keys

All keyboards have a set of keys mehzud which is called alphanumeric keys. This term “alphanumeric” means either letters or numbers, but no symbols or command keys. These number keys are present in two different parts of the keyboard:

One on top of these letters and the other on the right of these letters. These number keys which appear above the letters are double of the symbol keys. If you press the Shift button and hold the number then whatever symbol will be in that number key will be typed. The top row of the keyboard consists of letters such as ” Q, W, E, R, T and Y “. That is why the keypads in cellphones are called QWERTY Keypads .

Punctuation Keys

Punctuation keys are called those which relate to punctuation marks. For example, “comma key,” “question mark key,” “colon key” and “period key.” All these keys are located on the right side of the letter keys. Just like the number keys, if you hold the punctuation key and press shift then you can use another function.

Navigation Keys

In the keyboard, navigation keys are visible between letter keys and numbers keys and they are also to the right of the keyboard. Navigation keys mainly consist of four arrows: up, down right and left. These keys move cursor like a mouse in the display screen. With this, you can use these navigation keys to scroll the website history.

Command Keys and Special Keys

Command keys are called keys that give commands such as on “delete,” “return” and “enter.” It depends on your keyboard whether the special keys are mehjud or not. For example, for lowering the volume up, for moving videos back and forth. The other special keys are ” caps lock key,” “shift key” and “tab key.”

Types of Keys

Here, I will give you information about different types of keys in the keyboard and will also tell about their use. In a normal keyboard, the keys are divided into the following six categories based on function. Whose description is as follows.

1. Function Keys

Function Keys is at the top of the keyboard. These are written from F1 to F12 in the keyboard. Function Keys are used to perform a particular task. They have a different function in each program.

2. Typing Keys

These keys are most commonly used. Typing keys include both types of keys (alphabet and numbers), collectively called Alphanumeric keys. Typing keys also include all types of symbols and punctuation marks.

3. Control Keys

These keys are used alone or with other keys to perform a certain task. In a normal keyboard, most of the Ctrl key, Alt key, Window key, Esc key are used as control keys. Apart from these , the keys like Menu key, Scroll key , Pause Break key, PrtScr key etc. are also included in the control keys.

4. Navigation Keys

Navigation keys contain Arrow keys, Home, End, Insert, Page Up, Delete, Page Down etc. They are used to move around in a document, webpage etc.

5. Indicator Lights

The keyboard has three types of Indicator light (indicator). Num Lock, Scroll Lock and Caps Lock. When the first light in the keyboard is lit, it means that the Numeric Keypad is turned on, and if it is closed it means that the Numeric Keypad is off. Secondly, light indicates to us about Uppercase and Lowercase of letters.

When it is closed, the letters are in lowercase, and when it is moving, the letters are in uppercase. The third, known as Scroll Lock. This indicates to us about scrolling.

6. Numeric Keypad

We can also call them Calculator keys, because a numeric keypad has almost the same (some extra) keys as a calculator. They are used to write numbers.

How many buttons does the keyboard have

Key/Symbol Explanation
Windows PC keyboards have a Windows key that looks like a four-pane window
Command Apple Mac computers have a command key.
Menu PC keyboards also have a Menu key that looks like a cursor pointing to a menu.
Esc Esc (Escape) key
F1 – F12 Information about the F1 through F12 keyboard keys.
F13 – F24 Information about the F13 through F24 keyboard keys.
Tab Tab key
Caps lock Caps lock key
Shift Shift key
Ctrl Ctrl (Control) key
Fn Fn (Function) key
Alt Alt (Alternate) key (PC Only; Mac users have Option key)
Spacebar Spacebar key
Arrows Up Down Left Right Arrow keys
Back Space Back space (or Backspace) key
Delete Delete or Del key
Enter Enter key
Prt Scrn Print screen key
Scroll lock Scroll lock key
Pause Pause key
Break Break key
Insert Insert key
Home Home key
Page up Page up or pg up key
Page down Page down or pg dn key
End End key
Num Lock Num Lock key
~ Tilde
` Acute Back quote grave grave accent left quote open quote or a push
! Exclamation mark Exclamation point or Bang
@ Ampersat Arobase Asperand At or At symbol
# Octothorpe Number Pound sharp or Hash
£ Pounds Sterling or Pound symbol
Euro
$ Dollar sign or generic currency
¢ Cent sign
¥ Chinese/Japenese Yuan
§ Micro or Section
% Percent
° Degree
^ Caret or Circumflex
& Ampersand Epershand or And
* Asterisk mathematical multiplication symbol and sometimes referred to as star.
( Open parenthesis
) Close parenthesis
Hyphen Minus or Dash
_ Underscore
+ Plus
= Equal
{ Open Brace squiggly brackets or curly bracket
} Close Brace squiggly brackets or curly bracket
[ Open bracket
] Closed bracket
| Pipe Or or Vertical bar
\ Backslash or Reverse Solidus
/ Forward slash Solidus Virgule Whack and mathematical division symbol
: Colon
; Semicolon
Quote Quotation mark or Inverted commas
Apostrophe or Single Quote
< Less Than or Angle brackets
> Greater Than or Angle brackets
, Comma
. Period dot or Full Stop
? Question Mark

Some of the main control keys and their usage

1. Esc Key
Esc Key is used to cancel any currently running task. Its full name is Escape Key.

2. Ctrl Key
The full name of Ctrl Key is Control Key. It is used in Keyboard Shortcuts.

3. Alt key
Alt key is full name Alter Key, it is also used in Keyboard Shortcuts.

4. Window Logo Key
This key is used to open the Start Menu.

5. Menu Key
Menu Key works in the same way as Mouse’s Right Click. It opens the options related to a selected program.

6. This key
is used to take the image of PrtScr Key Computer Screen.

Use of Navigation Keys

1. Arrow Keys
Arrow Keys are four – Up Arrow, Down Arrow, Left Arrow and Right Arrow. They are used to move cursor and webpage in the direction of Arrows.

2. Home Key
Home Key is used to bring cursor to the beginning of any document. With this help, a Webpage and Document can come at once.

3. End Key
End Key is used to bring cursor to the end of a document. With the help of this, a webpage and document can go down at once.

4. Insert Key
Insert Key is used to turn Insert mode on and off.

5. Delete Key
Delete Key is used to delete text after Cursor, selected text and files and folder.

6. Page Up Key
Page Up Key is used to move the Cursor and a page upwards.

7. Page Down Key
Page Down Key is used to move the Cursor and a page down.

Use numeric keypad

The numeric keypad is on the right side of the keyboard. It has numbers from 0 to 9. In addition, there are also sign of addition, subtraction, division, multiplication and decimal sign.

Numeric Keypad is used to write numbers. These numbers are also located elsewhere in the keyboard, but they can be written quickly with the Numeric Keypad. Apart from this, Numeric Keypad can also be used like Navigation Keys. Num Lock must be On to use the Numeric Keypad.

How many function keys does the keyboard have?

Today’s traditional PC keyboards have 12 function keys, from F1 to F12. There are 19 function keys in Apple desktop computer keyboards, F1 to F19.

How many keys does a numeric keypad have?

Most desktop computer keyboards have a numeric keypad, and if you count all the numbers and symbols then there are 17 keys in it, while the Apple keyboard has 18 keys.
Due to the small screen of laptops, they usually do not have a numeric keypad.

How many number keys does the keyboard have?

A keyboard consists of 10 number keys, from 1 to 0.

How many alphabetic keys does the keyboard contain?

A keyboard consists of 26 alphabetic keys.

How many symbols are there in the keyboard?

An English QWERTY keyboard has approximately 40 symbols (eg, @, #, $, and% that do not contain letters and numbers) above 28 keys. This difference is because some keys have more than two symbols.

How many rows of keys are mejud in the keyboard?

If we calculate from the beginning, then there are about six rows of keys. Three of these rows contain alphabetic letters.

Keyboard

I sincerely hope that I have given you  complete information about what is keyboard and I hope you have understood the information about how many buttons are there in the keyboard. I request all of you readers that you too should share this information in your neighborhood, relatives and friends, so that there will be awareness among us and it will benefit everyone. I need your support so that I can convey more new information to you.

It has always been my endeavor that I always help my readers or readers from all sides, if you people have any doubt of any kind, then you can ask me irresponsibly. I will definitely try to solve those Doubts. How did you like this article of the keyboard, tell us by writing a comment so that we too have a chance to learn and improve something from your thoughts. To show your happiness and excitement about my post, please share this post on social networks such as Facebook , Google+ and Twitter etc.

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