Class II Ch 5 Keyboard and Mouse

1. What is a keyboard?

Ans- keyboard is an input device.

2. How many keys are there on a keyboard?

Ans- 104 keys.

3. Name the types of keys available on the keyboard.

Ans- 1.Alphabet Keys

         2. Number keys

         3.Special Keys

4. How many alphabet keys are there on the keyboard?

Ans- 26

5. How many number keys are there on the keyboard?

Ans- 10

6. Name some special keys on the keyboard.

Ans- 1. Space bar key

          2. Enter key

          3.Backspace key

          4. Cursor Control key

          5.Tab key

          6.Function keys

          7.Shift Key

          8. Capslock key

7. What is a cursor?

Ans- A cursor is a small blinking line on the screen.

8. How many functions keys are there on the keyboard?

Ans- 12

9. How many enter keys are there on the keyboard?

Ans- 2

10. What are symbol keys?

Ans- Symbol keys have special signs and symbols on them.

11. What is the use of caps lock key?

Ans- caps lock key is used to type capital letters.

12. What is the use of tab key?

Ans-tab key is used to move the cursor several spaces forward at once.

13. What is a mouse?

Ans- A mouse is a pointing device.

14. What are two types of mouse.

Ans- 1. Optical mouse

         2. Wireless mouse 

15. What are functions of mouse ?

Ans- Single click , double click,  right click  and drag and drop .