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A device similar to mouse, with a sphere on the top that is moved for navigation instead of moving the whole mouse.
- a)Zip Disk
- b)Trackball
- c)Optical Mouse
- d)Keyboard
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
A device similar to mouse, with a sphere on the top that is moved for ...
Explanation:
The correct answer is Trackball. Here is a detailed explanation:
What is a trackball?
A trackball is a pointing device that is similar to a mouse but operates differently. Instead of moving the entire device on a surface, a trackball has a sphere on the top that can be rotated or rolled with the fingers or palm to navigate the cursor on the screen.
Advantages of a trackball:
- Precise control: The rolling motion of the trackball allows for fine-tuned movements, making it suitable for tasks that require precision, such as graphic design or gaming.
- Space-saving: Unlike a conventional mouse, a trackball remains stationary on the desk, requiring less space to operate.
- Ergonomic design: The stationary position of the trackball reduces the strain on the wrist and forearm, making it a more comfortable option for prolonged use.
- Versatility: Trackballs can be used by both right-handed and left-handed individuals, as the sphere can be easily accessed from either side.
Comparison with other options:
- Zip Disk: A Zip Disk is a removable storage medium used in the past but is not related to the navigation of a cursor.
- Optical Mouse: An optical mouse is similar to a traditional mouse but uses a light-emitting diode (LED) and optical sensors to track movement, whereas a trackball uses the rolling motion of a sphere.
- Keyboard: A keyboard is an input device used for typing and entering commands, and it is not used for cursor navigation.
In conclusion, a trackball is a device with a sphere on the top that is used for navigation, making it the correct answer in this case.
View all questions of this test
The correct answer is Trackball. Here is a detailed explanation:
What is a trackball?
A trackball is a pointing device that is similar to a mouse but operates differently. Instead of moving the entire device on a surface, a trackball has a sphere on the top that can be rotated or rolled with the fingers or palm to navigate the cursor on the screen.
Advantages of a trackball:
- Precise control: The rolling motion of the trackball allows for fine-tuned movements, making it suitable for tasks that require precision, such as graphic design or gaming.
- Space-saving: Unlike a conventional mouse, a trackball remains stationary on the desk, requiring less space to operate.
- Ergonomic design: The stationary position of the trackball reduces the strain on the wrist and forearm, making it a more comfortable option for prolonged use.
- Versatility: Trackballs can be used by both right-handed and left-handed individuals, as the sphere can be easily accessed from either side.
Comparison with other options:
- Zip Disk: A Zip Disk is a removable storage medium used in the past but is not related to the navigation of a cursor.
- Optical Mouse: An optical mouse is similar to a traditional mouse but uses a light-emitting diode (LED) and optical sensors to track movement, whereas a trackball uses the rolling motion of a sphere.
- Keyboard: A keyboard is an input device used for typing and entering commands, and it is not used for cursor navigation.
In conclusion, a trackball is a device with a sphere on the top that is used for navigation, making it the correct answer in this case.
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A device similar to mouse, with a sphere on the top that is moved for navigation instead of moving the whole mouse.a)Zip Diskb)Trackballc)Optical Moused)KeyboardCorrect answer is option 'B'. Can you explain this answer?
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