Cyber Olympiad Class 10 - Sample question paper 05
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Q1. What is the primary function of an optical character recognition (OCR) device?
a) Converts text into speech.
b) Scans handwritten text.
c) Recognizes printed text and converts it into machine-readable code.
d) Records sound waves.
Answer: c) Recognizes printed text and converts it into machine-readable code.
Explanation: OCR devices are designed to recognize printed text and convert it into machine-readable characters for further processing.
Q2. What is the purpose of a graphics tablet?
a) To capture handwritten notes.
b) To create digital drawings and illustrations.
c) To scan images.
d) To type text into the computer.
Answer: b) To create digital drawings and illustrations.
Explanation: Graphics tablets are input devices used for creating digital drawings, illustrations, and graphic designs.
Q3. Which of the following is a characteristic of an optical character recognition (OCR) device?
a) Converts text into speech.
b) Scans handwritten text.
c) Recognizes printed text and converts it into machine-readable code.
d) Records sound waves.
Answer: c) Recognizes printed text and converts it into machine-readable code.
Explanation: OCR devices are designed to recognize printed text and convert it into machine-readable characters for further processing.
Q4. What is the purpose of a graphics tablet?
a) To capture handwritten notes.
b) To create digital drawings and illustrations.
c) To scan images.
d) To type text into the computer.
Answer: b) To create digital drawings and illustrations.
Explanation: Graphics tablets are input devices used for creating digital drawings, illustrations, and graphic designs.
Q5. Which of the following is an example of a 3D input device?
a) Joystick.
b) Trackball.
c) Haptic device.
d) Light pen.
Answer: c) Haptic device.
Explanation: Haptic devices provide feedback through touch and are commonly used for 3D interactions in virtual environments.
Q6. What is the primary function of a MIDI (Musical Instrument Digital Interface) controller?
a) Capturing images.
b) Inputting musical data into a computer.
c) Scanning documents.
d) Reading barcodes.
Answer: b) Inputting musical data into a computer.
Explanation: MIDI controllers are used to input musical data, such as notes and commands, into a computer for music production.
Q7. In the context of virtual reality, what type of input device is used to track the user's head movements?
a) Haptic device.
b) Motion sensor.
c) Gyroscope.
d) Augmented reality glasses.
Answer: b) Motion sensor.
Explanation: Motion sensors are commonly used in virtual reality to track the user's head movements for an immersive experience.
Q8. Which of the following is an example of a bi-directional device?
a) Keyboard.
b) Monitor.
c) Printer.
d) Touchscreen.
Answer: d) Touchscreen.
Explanation: Touchscreens allow input and output, making them bi-directional devices as they receive input and display output simultaneously.
Q9. A thermocouple is an example of an input device used for:
a) Temperature sensing.
b) Audio input.
c) Image scanning.
d) Motion tracking.
Answer: a) Temperature sensing.
Explanation: A thermocouple is a sensor used for measuring temperature by producing a voltage proportional to the temperature difference.
Q10. What is the purpose of an NFC (Near Field Communication) device?
a) Transmitting data over short distances.
b) Scanning barcodes.
c) Converting text to speech.
d) Capturing images.
Answer: a) Transmitting data over short distances.
Explanation: NFC devices are used for short-range communication, allowing the transfer of data between devices in close proximity.
Q11. Which input device uses light-sensing technology to detect movement?
a) Trackball.
b) Optical mouse.
c) Joystick.
d) Touchpad.
Answer: b) Optical mouse.
Explanation: Optical mice use light-sensing technology to detect movement, providing precise control over the cursor on the screen.
Q12. What is the purpose of a force feedback device?
a) Providing tactile sensations in response to user actions.
b) Scanning fingerprints.
c) Capturing 3D images.
d) Converting text to Braille.
Answer: a) Providing tactile sensations in response to user actions.
Explanation: Force feedback devices provide tactile feedback, such as vibrations, in response to user actions, enhancing the interactive experience.
Q13. What is the function of a plotter?
a) To print text documents.
b) To draw graphs and diagrams.
c) To scan images.
d) To record sound.
Answer: b) To draw graphs and diagrams.
Explanation: Plotters are output devices used for producing high-quality drawings, graphs, and diagrams with precision.
Q14. Which device is used to capture images and convert them into digital format?
a) Printer.
b) Scanner.
c) Plotter.
d) Camera.
Answer: b) Scanner.
Explanation: Scanners are input devices used to capture images and convert them into digital format for storage and processing.
Q15. What is the primary function of a MIDI (Musical Instrument Digital Interface) controller?
a) Capturing images.
b) Inputting musical data into a computer.
c) Scanning documents.
d) Reading barcodes.
Answer: b) Inputting musical data into a computer.
Explanation: MIDI controllers are used to input musical data, such as notes and commands, into a computer for music production.
Q16. Which of the following is an output device?
a) Keyboard.
b) Speaker.
c) Scanner.
d) Microphone.
Answer: b) Speaker.
Explanation: Speakers are output devices used to produce sound and audio from the computer.
Q17. What is the purpose of a force feedback device?
a) Providing tactile sensations in response to user actions.
b) Scanning fingerprints.
c) Capturing 3D images.
d) Converting text to Braille.
Answer: a) Providing tactile sensations in response to user actions.
Explanation: Force feedback devices provide tactile feedback, such as vibrations, in response to user actions, enhancing the interactive experience.
Q18. In the context of virtual reality, what type of input device is used to track the user's hand movements?
a) Haptic device.
b) Motion controller.
c) Gyroscope.
d) Augmented reality glasses.
Answer: b) Motion controller.
Explanation: Motion controllers are used in virtual reality to track the user's hand movements, allowing interaction in the virtual environment.
Q19. Which input device allows users to interact with a computer by touching the screen directly?
a) Trackball.
b) Touchpad.
c) Joystick.
d) Touchscreen.
Answer: d) Touchscreen.
Explanation: Touchscreens allow users to interact with a computer by directly touching the screen, providing a more intuitive interface.
Q20. Which of the following is a biometric input device?
a) Keyboard.
b) Mouse.
c) Fingerprint scanner.
d) Joystick.
Answer: c) Fingerprint scanner.
Explanation: A fingerprint scanner is a biometric input device that captures and verifies fingerprints for security purposes.
Q21. What is the primary function of a haptic device?
a) Displaying visual information.
b) Providing tactile sensations through touch feedback.
c) Scanning images.
d) Capturing sound waves.
Answer: b) Providing tactile sensations through touch feedback.
Explanation: Haptic devices provide touch feedback, allowing users to feel sensations during interactions with virtual or augmented reality environments.
Q22. What is the function of a barcode scanner?
a) Converting text to speech.
b) Scanning and decoding barcodes.
c) Capturing 3D images.
d) Transmitting data wirelessly.
Answer: b) Scanning and decoding barcodes.
Explanation: Barcode scanners are used to scan and decode barcodes, providing a quick and accurate way to input data into a computer system.
Q23. Which device is commonly used for capturing handwritten signatures?
a) Light pen.
b) Stylus.
c) Scanner.
d) Signature pad.
Answer: d) Signature pad.
Explanation: Signature pads are designed for capturing handwritten signatures electronically, often used for authentication and documentation purposes.
Q24. What is the primary function of a digital camera?
a) Capturing audio.
b) Scanning documents.
c) Capturing still or moving images.
d) Converting text to Braille.
Answer: c) Capturing still or moving images.
Explanation: Digital cameras are designed to capture still or moving images, providing a convenient way to record visual information.
Q25. Which input device is commonly used for gaming and controlling on-screen characters?
a) Trackball.
b) Joystick.
c) Touchpad.
d) Stylus.
Answer: b) Joystick.
Explanation: Joysticks are commonly used for gaming and controlling on-screen characters, providing a versatile input method.
Q26. Which of the following devices is used for capturing and inputting hand-drawn sketches into a computer?
a) Scanner.
b) Light pen.
c) Graphics tablet.
d) Stylus.
Answer: c) Graphics tablet.
Explanation: Graphics tablets are used for capturing hand-drawn sketches and illustrations, providing a digital input method.
Q27. What is the primary function of a touchpad on a laptop?
a) Providing tactile feedback.
b) Capturing images.
c) Controlling the cursor and interacting with the interface.
d) Converting text to speech.
Answer: c) Controlling the cursor and interacting with the interface.
Explanation: The touchpad on a laptop is used to control the cursor and interact with the user interface through touch gestures.
Q28. Which input device is designed to detect and measure physical pressure applied by the user?
a) Light pen.
b) Haptic device.
c) Force-sensitive resistor.
d) Barcode scanner.
Answer: c) Force-sensitive resistor.
Explanation: Force-sensitive resistors detect and measure physical pressure, commonly used in devices that respond to touch and pressure variations.
Q29. Which output device is commonly used for producing high-quality color prints of digital images?
a) Dot matrix printer.
b) Inkjet printer.
c) Laser printer.
d) Plotter.
Answer: b) Inkjet printer.
Explanation: Inkjet printers are commonly used for producing high-quality color prints of digital images and documents.
Q30. What is the function of a light pen?
a) Controlling on-screen characters in games.
b) Capturing handwritten signatures.
c) Scanning barcodes.
d) Selecting or drawing on a computer screen.
Answer: d) Selecting or drawing on a computer screen.
Explanation: A light pen is used for selecting or drawing on a computer screen by detecting light emitted from the screen.
Q31. What is the primary function of a 3D printer?
a) Printing text documents.
b) Creating three-dimensional objects layer by layer.
c) Scanning images in three dimensions.
d) Converting text to Braille.
Answer: b) Creating three-dimensional objects layer by layer.
Explanation: 3D printers create three-dimensional objects by adding material layer by layer, based on digital models.
Q32. Which of the following is an example of an assistive input device for individuals with mobility challenges?
a) Trackball.
b) Stylus.
c) Eye-tracking device.
d) Graphics tablet.
Answer: c) Eye-tracking device.
Explanation: Eye-tracking devices assist individuals with mobility challenges by allowing control through eye movements.
Q33. Which input device is commonly used in the field of virtual reality for hand tracking and interaction?
a) Stylus.
b) Motion controller.
c) Joystick.
d) Touchpad.
Answer: b) Motion controller.
Explanation: Motion controllers are commonly used in virtual reality for hand tracking and interaction in the virtual environment.
Q34. What is the purpose of an OCR (Optical Character Recognition) device?
a) Recognizing printed text and converting it into machine-readable code.
b) Capturing images in three dimensions.
c) Transmitting data wirelessly.
d) Scanning handwritten notes.
Answer: a) Recognizing printed text and converting it into machine-readable code.
Explanation: OCR devices recognize printed text and convert it into machine-readable characters for further processing.
Q35. What type of device is commonly used for capturing and processing fingerprints for security purposes?
a) Barcode scanner.
b) Fingerprint scanner.
c) Thermal printer.
d) Graphics tablet.
Answer: b) Fingerprint scanner.
Explanation: Fingerprint scanners are used for capturing and processing fingerprints, commonly employed for security and authentication purposes.