Question

Which of the following output devices is used to make presentations in front of a large number of people?
1. Projector
2. Touch Pad
3. CD Rom
4. Pen Drive

Answer 1

Correct Answer - Option 1 : Projector

The correct answer is Projector.

• Projector -
  • It is an optical device that projects an image or moving images.
  • Above a surface, which is mainly a projection screen.
  • The most common type of projector in today's time is the video projector.

• TouchPad -
  • This device is designed to translate user input for the purpose of moving a cursor on a computer.
  • It acts a lot like a mouse.
  • It is allowing the user to move the cursor to select objects and perform other tasks
• CD ROM (Compact Disk Read-Only Memory) -
  • This is a storage device.
  • Which uses an optical laser to read the microscopic pits on the aluminized layer of a polycarbonate disc.
  • The same format is used for compact discs of audio.
• Pen Drive -
  • This is such a storage drive that is used to transfer files.​