Computer Course Day 3 | Type Of Key In Computer Keyboard

Introduction Of Keyboard

Alphabet Keys, Numeric Keys , Special Character, Modify keys (Shift , Control, Alt ), Caps Lock, Numeric lock, escape, back space, Enter, Delete, Home End, Page Up, Page down.

Caps Lock On ...................... Capital Letters
Caps Lock Off ...................... Small Letters

104 keys on the Windows keyboard
86-key laptop keyboard for Windows



1. Typing Keys (Alphanumeric).

These keys include the same letter, number, punctuation, and symbol keys found on a traditional typewriter.

2. Control Keys.

These keys are used alone or in combination with other keys to perform certain actions.

3. FUNCTION KEYS.

The function keys are used to perform specific tasks. The functionality of these keys differs from program to program.

4. Navigation Keys.

These keys are used for moving around in documents or webpages and editing text. They include the arrow keys, Home, End, Page Up, Page Down, Delete, and Insert.

5. NUMERIC KEYPAD.

The numeric keypad is handy for entering numbers quickly. The keys are grouped together in a block like a conventional calculator or adding machine.


SHIFT

Press Shift in combination with a letter to type an uppercase letter. Press Shift in combination with another key to type the symbol shown on the upper part of that key.

CAPS LOCK

Press Caps Lock once to type all letters as uppercase. Press Caps Lock again to turn this function off. 

TAB

Press Tab to move the cursor several spaces forward. You can also press Tab to move to the next text box on a form.

ENTER

Press Enter to move the cursor to the beginning of the next line.

SPACEBAR

Press the Spacebar to move the cursor one space forward.

BACKSPACE

Press Backspace to delete the character before the cursor, or the selected text.

ALT + TAB

Switch between open programs or windows

ALT + F4

Close the active item, or exit the active program

CTRL + S

Save the current file or document (works in most programs)

CTRL + C

Copy the selected item

CTRL + X

Cut the selected item

CTRL + V

Paste the selected item

CTRL + Z

Undo an action

CTRL + A

Select all items in a document or window

F1

Display Help for a program or Windows

ESC

Cancel the current task

LEFT ARROW, RIGHT ARROW, UP ARROW, OR DOWN ARROW

Move the cursor or selection one space or line in the direction of the arrow, or scroll a webpage in the direction of the arrow

HOME

Move the cursor to the end of a line or move to the top of a webpage

END

Move the cursor to the end of a line or move to the bottom of a webpage

CTRL + HOME

Move to the top of a document

CTRL + END

Move to the bottom of a document

PAGE UP

Move the cursor or page up one screen

PAGE DOWN

Move the cursor or page down one screen

DELETE

Delete the character after the cursor, or the selected text; in Windows, delete the selected item and move it to the Recycle Bin

INSERT

Turn Insert mode off or on. When Insert mode is on, text that you type is inserted at the cursor. When Insert mode is off, text that you type replaces existing characters.

NUMERIC KEYBOARD (NUM LOCK)

To use the numeric keypad to enter numbers, press Num Lock. When Num Lock is on then you can press either use from Typing keys, the numeric keypad functions as a second set of navigation keys 

You can use your numeric keypad to perform simple calculations with Calculator.

PRTSCN (OR PRINT SCREEN)

 Pressing PrtScn captures an image of your entire screen (a "screen shot") and copies it to the Clipboard in your computer's memory. From there you can paste it (Ctrl + V) into Microsoft Paint or another program and, if you want, print it from that program.

SCRLK (OR SCROLL LOCK)

In a few programs, pressing Scroll Lock changes the behavior of the arrow keys and the Page Up and Page Down keys; pressing these keys causes the document to scroll without changing the position of the cursor or selection.