Question

In the context of computers, tracker balls is a/an _______ device.
1. output
2. input
3. storage
4. processing

Answer 1

Correct Answer - Option 2 : input

The correct answer is ​Input.

• A device that receives data for processing is called an input device.
• In the context of computers, tracker balls is an input device.
  • A trackball is a pointing device.
  • The trackball was invented by Ralph Benjamin.
• An input device converts input information into suitable binary code from acceptable to a computer.
• Major input devices:
  • Keyboard.
  • Lightpen.
  • Mouse.
  • Joystick.
  • Scanner.
  • Microphone.
  • Optical mark reader.
  • Bar code reader.
  • Graphics tablet.
  • Touch screen.

• Major output devices:
  • Monitor.
  • Printer.
  • Speaker.
  • Projector.
  • Sound card.
  • Headphone.
  • Plotter.
  • Video card.