Question : Which of the following is an output device?
Option 1: OCR device
Option 2: Projector
Option 3: MICR (Magnetic Ink Character Recognition)
Option 4: Scanner
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Correct Answer: Projector
Solution : The correct option is a Projector.
A projector is used to display images, videos, or presentations onto a screen or other flat surfaces, making it an output device in the context of computer peripherals. The other listed devices (OCR device, MICR and Scanner) are input devices or devices that primarily deal with converting physical or printed information into digital data.
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Question : Which of the following is not an output device?
Option 1: Plotter
Option 2: Monitor
Option 3: Dot matrix printer
Option 4: Barcode reader
Question : Neeti wants to use an input device that works by sensing the user's finger movement and downward pressure. Which among the following should she use?
Option 1: Scanner
Option 2: Touchpad
Option 3: Light pen
Option 4: Keyboard
Question : Which of the following statements is false?
Option 1: A decrease in interest rates will increase investment.
Option 2: An increase in investment can cause an increase in output.
Option 3: An increase in the savings in an economy can cause an increase in current output.
Option 4: A decrease in taxes can cause an increase in output.
Question : What is an output device that transforms the signal from the computer's sound card into audio?
Option 1: Speaker
Option 2: Plotter
Option 3: Graphics card
Option 4: Monitor
Question : Which of the following is a magnetic disk?
Option 1: Winchester
Option 2: DVD
Option 3: CD-RW
Option 4: CD-R
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