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A mouse is a pointing device.
A ball mouse has a hard rubber ball under it.
Optical mouse has LED sensor at its bottom that helps the pointer on the
screen to move.
Wireless mouse is also an optical mouse.
Single-click or click is used for selecting an item on the computer screen.
Double-click opens the selected item.
Right-click displays properties of the selected item.
Nowadays, a computer mouse has a wheel in between the right button and
the left button. This is known as the scroll wheel.
Drag and Drop can be used to move objects on the screen quickly.
Tech Trivia Section A (Objective)
A. Tick ( ) the correct option.
1. What is the main purpose of a computer mouse?
a. To make phone calls
b. To play music
c. To point and select items on the screen
d. To cook food
2. Which type of mouse uses a ball inside it to move?
a. Optical Mouse b. Wireless Mouse
c. Ball Mouse d. Touch Mouse
3. What happens when you double-click on an item?
a. It selects the item b. It opens the item
c. It deletes the item d. It moves the item
4. What is the purpose of a single-click on a mouse?
a. To open a file b. To select an item
c. To close a program d. To print a document
Computer Mouse 49

