Input Devices MCQs with Answers Class 9
Input Devices MCQs with Answers
CBSE Class 9 – Computer Science
Class: 9 | Subject: Computer Science | Section: Computer Hardware | Topic: Input Devices | CBSE Board Examination
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 9 Computer Science examinations. Each question includes a detailed explanation for concept clarity.
1. Which of the following is an input device?
Answer: c) Keyboard
Explanation: A keyboard is used to enter text, numbers, and commands into the computer, making it one of the most common input devices.
Explanation: A keyboard is used to enter text, numbers, and commands into the computer, making it one of the most common input devices.
2. Which device is used to control the cursor on screen?
Answer: b) Mouse
Explanation: A mouse is a pointing device that helps users move the cursor, select items, and interact with graphical interfaces.
Explanation: A mouse is a pointing device that helps users move the cursor, select items, and interact with graphical interfaces.
3. Which input device captures images and documents?
Answer: b) Scanner
Explanation: A scanner converts physical documents into digital format for storage and editing.
Explanation: A scanner converts physical documents into digital format for storage and editing.
4. Microphone is used to input:
Answer: c) Sound
Explanation: Microphones capture voice and audio signals and convert them into digital data.
Explanation: Microphones capture voice and audio signals and convert them into digital data.
5. Which device is commonly used for gaming control?
Answer: a) Joystick
Explanation: Joysticks allow directional control, widely used in games and simulations.
Explanation: Joysticks allow directional control, widely used in games and simulations.
6. Light Pen is used to:
Answer: b) Draw on screen
Explanation: A light pen allows users to draw or select objects directly on the monitor screen.
Explanation: A light pen allows users to draw or select objects directly on the monitor screen.
7. Which device reads barcodes?
Answer: c) Barcode Reader
Explanation: Barcode readers scan product barcodes and input data into computers.
Explanation: Barcode readers scan product barcodes and input data into computers.
8. Full form of OCR:
Answer: a) Optical Character Recognition
Explanation: OCR converts printed text into editable digital text.
Explanation: OCR converts printed text into editable digital text.
9. OMR is used to read:
Answer: b) Marked answers
Explanation: Optical Mark Recognition reads shaded bubbles in exams and surveys.
Explanation: Optical Mark Recognition reads shaded bubbles in exams and surveys.
10. MICR is mainly used in:
Answer: b) Banks
Explanation: Magnetic Ink Character Recognition reads cheque numbers printed with magnetic ink.
Explanation: Magnetic Ink Character Recognition reads cheque numbers printed with magnetic ink.
11. Touchscreen is an example of:
Answer: c) Both Input & Output
Explanation: It displays output and accepts touch input.
Explanation: It displays output and accepts touch input.
12. Which device inputs video?
Answer: a) Webcam
Explanation: A webcam captures live video and images.
Explanation: A webcam captures live video and images.
13. Trackball is similar to:
Answer: b) Mouse
Explanation: Trackball controls cursor movement like a mouse.
Explanation: Trackball controls cursor movement like a mouse.
14. Digital camera is used to input:
Answer: b) Images
Explanation: It captures photos digitally for computer use.
Explanation: It captures photos digitally for computer use.
15. Which device recognizes voice commands?
Answer: b) Microphone
Explanation: It inputs voice for speech recognition systems.
Explanation: It inputs voice for speech recognition systems.
16. Graphics tablet is used for:
Answer: b) Drawing
Explanation: Artists use it to create digital artwork.
Explanation: Artists use it to create digital artwork.
17. Input devices are used to:
Answer: b) Enter data
Explanation: They send user data and instructions to the computer.
Explanation: They send user data and instructions to the computer.
18. Which is NOT an input device?
Answer: c) Monitor
Explanation: Monitor is an output device.
Explanation: Monitor is an output device.
19. Touchpad is commonly found in:
Answer: b) Laptops
Explanation: Touchpads replace the mouse in laptops.
Explanation: Touchpads replace the mouse in laptops.
20. Which device inputs handwritten signatures?
Answer: b) Digitizer
Explanation: Digitizers capture handwritten input and signatures digitally.
Explanation: Digitizers capture handwritten input and signatures digitally.
