Keyboard
Keyboard is the most commonly used input device.It allows a user to type alphabet,number or symbols into the computer.
It has small buttons called keys.The keys are laid out in the QWERTY pattern. Now look at the keyboard again Q W E R T Y are the letters on the top left the keyboard.
 |
| Computer Keyboard |
It has small buttons called keys.The keys are laid out in the QWERTY pattern. Now look at the keyboard again Q W E R T Y are the letters on the top left the keyboard.
A standard keyboard can be divided into following section .
. Function Key
. Alphanumeric Key
. Numeric Keypad
. Cursor Control / Navigation Keys
Function Keys
The Function keys are located at the top of the keyboard.The purpose of these keys is based on the software we are using . For example, pressing the F1 key opens the Help screen in windows.
Alphanumeric Keys
Alphanumeric keys are the collection of letters ,numbers and punctuation keys.This section also includes some special keys, the Tab, Caps Lock,Back Space,Enter,Shift,Ctrl Ctrl and Alt keys.
Numeric Keypad
The numeric keypad is usually located on the right side of a standard keyboard.This section contains digit keys and mathematical operator keys(+ , _ , ÷, ×,)
Cursor Control / Navigation Keys
Cursor Control keys of Arrow keys, Insert, Delete , Home ,End ,Page Up and Page Down Keys .These Keys are Used to move cursor within the text.
Important Keys and their Functions
Tab
Tab key lets you move the cursor more than one space space at a time.
 |
| Key Tab |
Esc
Escape key is used to terminate any process in between.
 |
| Key Esc |
Caps Lock
Press the Caps Lock keys when you want to write a word in Capital letters.
 |
| Key Caps Lock |
Ctrl Or Alt
These keys do not work on their own. They are used in Combination with another keys
. For example : Ctri + O = Open a new file
 |
| Key Ctrl |
. For example : Ctri + O = Open a new file
Alt +F4 = Close any program/window.
 |
| Keys Alt |
Enter
Enter key is used :
1) To start a new line
2) To execute a command
 |
| Key Enter |
Delete
Delete keys is used to erase a letter or number typed incorrectly.
 |
| Key Delete |
Home
Home keys move the cursor to the beginning of the line or screen .
 |
| Computer Keyboard key Home |
End
End key move the cursor to the end of the line or screen.
 |
| Key End |
Shift
Shift keys are used :
1) To type Capital letters.
2) To type symbols.
 |
| Keys Shift |
Read more
Do a google keywords search :
"مسالہ دار نوڈلز ریسپی "
and see delicious noodles recipe.
0 Comments