1. Chapter-4 THE KEYBOARD

2. Buttons on a keyboard are called Keys. We can type letters, numbers by simply pressing these keys. KEYS ON A KEYBOARD

3. The different keys on the keyboard are: 1. Alphabetic Keys 2. Number Keys 3. Function Keys 4. Special Keys 5. Arrow Keys Types of Keys

4. ALPHABETIC KEYS These are marked with the English alphabets from A to Z. There are 26 Alphabetic Keys. They are placed closely so that our fingers can reach there easily.

5. NUMERIC KEYS The keys marked with numbers from 0 to 9 are called Number Keys. The keys marked with numbers from 0 to 9 are called Number Keys. The number keys are also placed at the right side of the Keyboard known as Numeric Keypad.

6. Special Keys These keys works in combination with other keys

7. Spacebar Key * Longest key on the keyboard. * Used to give spaces between the words.

8. Cursor Movement keys Used to move the cursor in four direction i.e. up, down, left and right. UP LEFT RIGHT DOWN

9. Caps Lock Key Used to type the letters in capitals When you press the Caps Lock Key the light on the keyboard will turn ON. If you press it again, the light will turn OFF.

10. Backspace Key Used to delete the character to the left of the cursor

11. Shift Key Used to type the letters in capital or small case without using Caps Lock key. without using Caps Lock key. Also used to type symbols printed on the top of the Number Keys. !

12. Enter Key Used to tell the computer that you have finished a word or line. It brings the cursor down to the next line.

13. Delete Key Used to erase anything typed from the right side of the cursor.

14. Function Keys The Function keys are placed at the top row of the keyboard marked with F1, F2.......F12 They are used to perform special functions.

15. Tab Key Allows the cursor to jump five spaces forward

16. All the above keys combined together to form a Keyboard

17. It’s QUIZ TIME now !!

18. Tell the no. of different types of keys present on keyboard vi) Enter keys v) Space key iv) Arrow keys iii) Function keys ii) Number keys i) Alphabetical keys

19. v) NUFCITON YEKS iv) PSAC LKOC iii) TEENR KYE ii) HISFT YEK i) BERNUMS EKY 2. Rearrange the jumbled words NUMBERS KEY SHIFT KEY ENTER KEY CAPS LOCK FUNCTION KEYS