A computer keyboard is the most commonly used input device. The
component that closely resembles a typewriter is called the keyboard. It has
keys which are used to type the data to be entered into the computer. A
keyboard has many keys. Alphabetic keys,
Numeric keys, Function keys, Arrow keys, special keys. You must have used these key while operating
your computer. The keyboard, the character on the key gets printed on the
monitor screen in the position where the cursor is present. Cursor is the
blinking line that can be seen on the screen. It specifies the current position
on the screen where the typed character will appear.
computer keyboard
Type of key
Alphabetic keys
Q
|
W
|
E
|
R
|
T
|
Y
|
U
|
I
|
O
|
P
|
A
|
S
|
D
|
F
|
G
|
H
|
J
|
K
|
L
|
|
Z
|
X
|
C
|
V
|
B
|
N
|
M
|
|||
Numeric keys
`
~
|
!
1
|
@
2
|
#
3
|
4
$
|
%
5
|
^
6
|
&
7
|
*
8
|
(
9
|
)
0
|
_
-
|
+
=
|
Backspace
|
7
|
8
|
9
|
4
|
5
|
6
|
1
|
2
|
3
|
Arrow keys
Special key
Esc
|
tab
|
Caps Lock
|
Shift
|
Ctrl
|
Fn
|
Alt
|
Enter
|
Page Up
|
Page Down
|
Home
|
End
|
Insert
|
Delete
|
Backspace
|
Alt
|
Function key
F1
|
F2
|
F3
|
F4
|
F5
|
F6
|
F7
|
F8
|
F9
|
F10
|
F11
|
F12
|
The keyboard provides different keys to perform various
operations, as shown in the following table.
ComputerKeyboard |
|
Key
|
Function
|
F1 - F12
|
Used
to perform special functions that depend on the software being used.
|
Backspace
|
Used to erase the character to the left or the cursor
position.
|
Shift
|
Caps
lock off: If pressed simultaneously with a character key, a capitalized
alphabet is input.
Caps
lock on: It reverses the above effect. Also used to input the upper symbols
for keys with two symbols or characters on them.
|
Caps Lock
|
Used for keying in capitalized alphabets.
|
Enter or Return
|
Used
for keying in capitalized alphabets.
|
Ctrl, Alt
|
Pressed with other keys, They input special messages to
the computer.
|
Number Lock
|
Used
to activate the numeric keys on the Numeric keypad.
|
Cursor Keys
|
Used to move the cursor in the direction indicated.
|
Home
|
Used
to move the cursor to the left end of the current line.
|
End
|
Used to move the cursor to the end of the current line.
|
Page Up
|
Used
to move the cursor up one page or one screen.
|
Page Down
|
Used to move the cursor down one page or one screen.
|
Insert
|
Used
to insert characters at the current cursor position.
|
Scroll Lock
|
Used to allow scrolling in a document.
|
Esc
|
Depends
on the application. Usually used to cancel a command.
|
Delete
|
Used to delete characters at the current cursor position.
|
Print Screen
|
Used
to print whatever is displayed on the screen.
|
The correct way to operate a computer keyboard is as follows:-
You can do good typing in this position to make a high speed. Which you will also be fit and your typing speed will be good. For any information from this post, comment Jake in the comment box.