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Practice Questions: Computer Mouse | International Computer Science Olympiad Class 1 PDF Download

Q1: What is the main function of a computer mouse?
(a) To type letters
(b) To move the cursor on the screen
(c) To print documents
(d) To turn on the computer

Ans: (b)
Solution: A computer mouse is used to move the cursor on the screen and interact with objects.
Practice Questions: Computer Mouse | International Computer Science Olympiad Class 1


Q2: What do we call the small arrow that moves on the screen when we move the mouse?
(a) Pointer
(b) Button
(c) Key
(d) Monitor

Ans: (a)
Solution: The small arrow that moves when we move the mouse is called the pointer or cursor.


Q3: How many main buttons does a standard mouse have?
(a) One
(b) Three
(c) Two
(d) Four

Ans: (c)
Solution: A standard mouse has two main buttons—left and right.


Q4: What is the function of the left mouse button?
(a) It is used to select and open items
(b) It turns off the computer
(c) It erases text
(d) It types letters

Ans: (a)
Solution: The left mouse button is used to click, select, and open items on the screen.
Practice Questions: Computer Mouse | International Computer Science Olympiad Class 1


Q5: What is the purpose of the scroll wheel?
(a) To turn off the computer
(b) To type letters
(c) To select items
(d) To move up and down on a page

Ans: (d)
Solution: The scroll wheel helps users move up and down on a page easily.


Q6: What do we call a mouse that does not have a cord?
(a) Ball mouse
(b) Optical mouse
(c) Wireless mouse
(d) Mechanical mouse

Ans: (c)
Solution: A wireless mouse does not have a cord and works using batteries or Bluetooth.


Q7: What is found at the bottom of an optical mouse?
(a) A ball
(b) A light
(c) A battery
(d) A button

Ans: (b)
Solution: An optical mouse has a light at the bottom to track movement.
Practice Questions: Computer Mouse | International Computer Science Olympiad Class 1


Q8: What happens when you right-click the mouse?
(a) The computer shuts down
(b) The screen turns off
(c) The mouse stops working
(d) A menu appears

Ans: (d)
Solution: Right-clicking on an item usually opens a menu with more options.


Q9: What is the name of the part of the mouse that fits in our hand?
(a) Monitor
(b) Scroll wheel
(c) Body
(d) Cursor

Ans: (c)
Solution: The main part of the mouse, which we hold in our hand, is called the body.


Q10: What do you do when you "double-click" the mouse?
(a) Press the left button twice quickly
(b) Press the right button once
(c) Scroll up and down
(d) Press the space bar

Ans: (a)
Solution: Double-clicking means pressing the left mouse button twice quickly to open files or applications.

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FAQs on Practice Questions: Computer Mouse - International Computer Science Olympiad Class 1

1. What is a computer mouse and how does it work?
Ans. A computer mouse is a handheld input device that allows users to interact with a computer's graphical user interface (GUI). It works by detecting two-dimensional motion relative to a surface. When you move the mouse, it translates that movement into cursor movement on the screen, enabling you to click on icons, select text, and navigate through applications.
2. What are the different types of computer mice available?
Ans. There are several types of computer mice, including wired mice, wireless mice, optical mice, laser mice, and trackball mice. Wired mice connect directly to the computer via a USB port, while wireless mice use Bluetooth or RF technology. Optical and laser mice use light sensors to detect movement, and trackball mice have a stationary body with a ball that the user rotates to move the cursor.
3. How do I connect a wireless mouse to my computer?
Ans. To connect a wireless mouse to your computer, first, ensure the mouse has batteries and is powered on. Then, plug the USB receiver into a USB port on your computer. If your mouse uses Bluetooth, go to your computer's Bluetooth settings, turn on Bluetooth, and select the mouse from the list of available devices. Follow any additional prompts to complete the pairing process.
4. What are the common issues with computer mice and how can they be fixed?
Ans. Common issues with computer mice include unresponsiveness, erratic cursor movement, and connectivity problems. To fix these, check the batteries or recharge the device if it's wireless. Ensure the sensor is clean and free from debris. For connectivity issues, try reconnecting the mouse or replacing the USB receiver. Restarting the computer may also help resolve software-related problems.
5. How can I choose the right mouse for my needs?
Ans. To choose the right mouse, consider your usage style. If you use your computer for gaming, look for a gaming mouse with customizable buttons and high DPI settings. For general use, an ergonomic mouse may provide comfort. If you travel frequently, a compact or portable mouse is ideal. Additionally, consider whether you prefer wired or wireless options based on convenience and battery life.
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