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Which device has a ball beneath it for the rotation?
- a)Trackball
- b)Lightpen
- c)Mouse
- d)Scanner
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which device has a ball beneath it for the rotation?a)Trackballb)Light...
Answer:
The device that has a ball beneath it for rotation is the Trackball. Here is a detailed explanation:
Trackball:
- A trackball is a pointing device that consists of a ball housed in a socket.
- The user can rotate the ball with their fingers or palm to move the on-screen cursor.
- The movement of the ball translates into corresponding movements of the cursor.
- Trackballs are often used as an alternative to a traditional mouse, especially in situations where space is limited or precise control is required.
Other options mentioned in the question are not correct:
- Lightpen: A lightpen is a device used to select and interact with objects displayed on a computer screen by directly touching the screen.
- Mouse: A mouse is a pointing device that typically moves on a flat surface and uses a sensor or laser to track its movement.
- Scanner: A scanner is a device used to convert physical documents or images into digital form.
Therefore, the correct answer is option C: Trackball.
View all questions of this testThe device that has a ball beneath it for rotation is the Trackball. Here is a detailed explanation:
Trackball:
- A trackball is a pointing device that consists of a ball housed in a socket.
- The user can rotate the ball with their fingers or palm to move the on-screen cursor.
- The movement of the ball translates into corresponding movements of the cursor.
- Trackballs are often used as an alternative to a traditional mouse, especially in situations where space is limited or precise control is required.
Other options mentioned in the question are not correct:
- Lightpen: A lightpen is a device used to select and interact with objects displayed on a computer screen by directly touching the screen.
- Mouse: A mouse is a pointing device that typically moves on a flat surface and uses a sensor or laser to track its movement.
- Scanner: A scanner is a device used to convert physical documents or images into digital form.
Therefore, the correct answer is option C: Trackball.
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Which device has a ball beneath it for the rotation?a)Trackballb)Lightpenc)Moused)ScannerCorrect answer is option 'C'. Can you explain this answer? for Class 8 2026 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Which device has a ball beneath it for the rotation?a)Trackballb)Lightpenc)Moused)ScannerCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 8 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which device has a ball beneath it for the rotation?a)Trackballb)Lightpenc)Moused)ScannerCorrect answer is option 'C'. Can you explain this answer?.
Which device has a ball beneath it for the rotation?a)Trackballb)Lightpenc)Moused)ScannerCorrect answer is option 'C'. Can you explain this answer? for Class 8 2026 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Which device has a ball beneath it for the rotation?a)Trackballb)Lightpenc)Moused)ScannerCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 8 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which device has a ball beneath it for the rotation?a)Trackballb)Lightpenc)Moused)ScannerCorrect answer is option 'C'. Can you explain this answer?.
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