keyboard-201203151617777777777777777.pptx

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1. COMPUTER KEYBOARD ~ifra Ghaffar~ Hi!

2. COMPUTER KEYBOARD Alphabet keys Number Keys Control Keys Function Keys Navigation keys

3. Keyboard A keyboard is used to type on a computer. Small buttons on the keyboard are called keys. A standard keyboard has 104 keys. We can type letters, numbers and symbols by pressing keys.

4. ALPHABET KEYS Alphabet keys are used to type letters, words or sentences. There are 26 alphabet keys on a keyboard ( from A to Z ).

5. NUMBER KEYS Number keys are used to type numbers from 0-9. There are 10 number keys on a keyboard. (0,1,2, …9 ) There are two set of number keys on a standard keyboard.

6. CURSOR CONTROL KEYS It is also called as Arrow keys . There are 4 cursor control keys. These keys are used to move the cursor in four directions on the monitor- up, down, left and right.

7. Cursor Control Keys

8. Cursor Cursor is a small blinking line on the computer screen. Cursor

9. SPACEBAR KEY It is the longest key on the keyboard. It is used to insert blank spaces between letters, numbers and words.

10. ENTER KEY This key is used to create a new line and move the cursor to the beginning of this line.

11. CAPS LOCK KEY This key is used to type letters of the alphabet in capitals. It is placed on the left side of a keyboard.

12. Numeric keypad

13. SHIFT KEY Shift keys are used in combination with other keys. Shift key can be used to type capital letters if caps lock key is off. Shift key can also be used to type symbols.

14. BACKSPACE and DELETE KEY These keys are used to erase unwanted letters. Backspace key removes the character present on the left side of the cursor. Delete key removes the character present on the right side of the cursor.

15. !@#$%^&*(()__+=-”;:\/., Special character keys

16. A control key works in combination with other keys to do various activities Shift key ,Alt key, Window key, Ctrl key ESC key allow the user to abort operations Control keys

17. FUNCTION KEYS There are 12 function keys. They are placed at the top row of the keyboard. They are marked from F1 to F12.

18. F1 help F2 folder rename F3 search F4 shut down alt+ F5 refresh F6 address bar F7 spelling checker F8 reboot F9 brightness low F10 brightness high F11 full screen F12 save as

19. Thanks