Introduction to Components of computer Leave a Comment / By admin / November 24, 2024 Welcome to your Introduction to Components of computer Name Class Roll No 1. computer,MCQ Which of the following is not an input device? Keyboard Mouse Printer Scanner None 2. computer,MCQ What does OCR stand for? Optical Code Recognition Optical Character Recognition Online Character Reader Optical Computer Reading None 3. computer,MCQ The device used to capture images in a digital format is called a: Scanner Digital Camera MICR Barcode Reader None 4. computer,MCQ What is the primary function of a barcode reader (BCR)? To input sound To scan physical documents To read data encoded in barcodes To recognize characters None 5. computer,MCQ Which of the following is a pointing device? a) Mouse b) Microphone c) Touchpad d) Both a) and c) None 6. computer,MCQ MICR is most commonly used in: a) Retail stores b) Banking and financial sectors c) Libraries d) Educational institutions None 7. computer,MCQ Which input device is designed to capture human handwriting or printed text using light? a) Joystick b) OMR c) OCR d) Touch Screen None 8. computer,MCQ Which input device is primarily used in gaming? Joystick Scanner Keyboard Barcode Reader None 9. computer,MCQ OMR is used for: Reading barcodes Scanning photographs Detecting marked answers on forms or sheets Recording audio None 10. computer,MCQ Which input device can record audio directly into a computer? Scanner Microphone Touchpad Digital Camera Answer: b) Microphone None 11. computer,MCQ What is the primary input device used for typing text into a computer? Joystick Keyboard Mouse Microphone None 12. computer,MCQ A microphone converts sound into: Light signals Electrical signals Digital images Magnetic characters None 13. computer,MCQ Which of the following is NOT a type of monitor? CRT LCD HDD LED None 14. computer,MCQ What does CRT stand for in monitors? Cathode Ray Tube Crystal Ray Tube Central Ray Technology Circular Ray Tube None 15. computer,MCQ A projector is typically used for which purpose? Playing audio Displaying visuals on a large screen Printing documents Drawing graphics None 16. computer,MCQ Which of the following devices is primarily used for producing sound? a Monitor Projector Speaker Graphic Plotter None 17. computer,MCQ What type of output device is a headphone classified as? Hard copy output device Soft copy output device Storage device Input device None 18. computer,MCQ Which of the following is an impact printer? Inkjet printer Laser printer Dot matrix printer Thermal printer None 19. computer,MCQ Which printer is capable of producing three-dimensional objects? 3D printer Dot matrix printer Thermal printer Plotter None 20. None 1 out of 2 Time's up
