which is the following is machine?

• a

• b

• c

Which mouse action opens a list of commands?

• a. Right-click     

• b. Left-click

• c. Scrolling

Which of the following is not a mouse action?

• a. Typing     

• b. Clicking     

• c. Scrolling

The mouse is also called a................

• a. pointing device.     

•   b. scrolling device.     

• c. painting device.

It erases anything typed to the right of the cursor

• a

• b

• c

Optical Mouse uses......

• a. LED.

• b. sunlight.

• c. flashlight.

Which of these erases anything typed to the left of the cursor?

• a

• b

• c

Which of the following is not an alphabet key?

• a

• b

• c

Which of the following is a pointing device?

• a. Keyboard     

• b. CPU     

• c. Mouse

Where are computers used for teaching and learning?

• a. School     

• b. Office     

• c. Hospital