Output Devices MCQs CBSE Class 9
Output Devices MCQs with Answers
CBSE Class 9 – Computer Science
Class: 9 | Subject: Computer Science | Section: Computer Hardware | Topic: Output 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 better concept clarity.
1. Which of the following is an output device?
Answer: c) Monitor
Explanation: A monitor displays processed information visually, making it the most common output device.
Explanation: A monitor displays processed information visually, making it the most common output device.
2. Printer produces:
Answer: b) Hard copy
Explanation: Printers convert digital data into printed paper output called hard copy.
Explanation: Printers convert digital data into printed paper output called hard copy.
3. Which device produces sound output?
Answer: a) Speaker
Explanation: Speakers convert digital audio signals into audible sound.
Explanation: Speakers convert digital audio signals into audible sound.
4. Plotter is mainly used for:
Answer: b) Large drawings
Explanation: Plotters print large maps, charts, and engineering designs with high precision.
Explanation: Plotters print large maps, charts, and engineering designs with high precision.
5. Soft copy output is displayed on:
Answer: b) Monitor
Explanation: Soft copy refers to digital output viewed on screen.
Explanation: Soft copy refers to digital output viewed on screen.
6. Which printer sprays ink?
Answer: b) Inkjet
Explanation: Inkjet printers spray liquid ink onto paper.
Explanation: Inkjet printers spray liquid ink onto paper.
7. Laser printers use:
Answer: b) Toner
Explanation: Laser printers use powdered toner and laser technology.
Explanation: Laser printers use powdered toner and laser technology.
8. Dot Matrix printer is:
Answer: a) Impact printer
Explanation: It prints by striking pins against ribbon.
Explanation: It prints by striking pins against ribbon.
9. Projector displays output on:
Answer: b) Screen/wall
Explanation: Projectors enlarge computer display for presentations.
Explanation: Projectors enlarge computer display for presentations.
10. Which is NOT an output device?
Answer: c) Keyboard
Explanation: Keyboard is an input device.
Explanation: Keyboard is an input device.
11. Speaker output is in form of:
Answer: a) Audio
Explanation: Speakers generate sound waves.
Explanation: Speakers generate sound waves.
12. Monitor is also called:
Answer: a) VDU
Explanation: VDU stands for Visual Display Unit.
Explanation: VDU stands for Visual Display Unit.
13. High-quality photo printing uses:
Answer: a) Inkjet
Explanation: Inkjet printers produce high-resolution images.
Explanation: Inkjet printers produce high-resolution images.
14. Which output device is used in cinemas?
Answer: b) Projector
Explanation: Projectors display large visuals.
Explanation: Projectors display large visuals.
15. Hard copy refers to:
Answer: b) Printed output
Explanation: Hard copy is physical output on paper.
Explanation: Hard copy is physical output on paper.
16. Plotters are used by:
Answer: b) Engineers
Explanation: For CAD drawings and blueprints.
Explanation: For CAD drawings and blueprints.
17. Non-impact printer example:
Answer: b) Inkjet
Explanation: It prints without striking paper.
Explanation: It prints without striking paper.
18. Monitor output is:
Answer: a) Soft copy
Explanation: Displayed digitally on screen.
Explanation: Displayed digitally on screen.
19. Which device enlarges display?
Answer: b) Projector
Explanation: Used for presentations and classrooms.
Explanation: Used for presentations and classrooms.
20. Output devices are used to:
Answer: c) Display results
Explanation: Output devices present processed information to users.
Explanation: Output devices present processed information to users.
