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Q: Niti wants to use an input device that works by sensing the user's finger movement and downward pressure. Which among of the following should she use?
  • A. Scanner
  • B. Touchpad
  • C. Light pen
  • D. Keyboard
Correct Answer: Option B - To work in a computer, two types of devices are required- first input device and second output devices. Through input devices we enter data into the computer, while through output devices we get the results of the work done by the computer. Neeti should use a touchpad as an input device. The trackpad of a touchpad contains a tactile Sensor, an electronic device with a flat surface that detects the movement and position of user's fingers, producing output on the screen.
B. To work in a computer, two types of devices are required- first input device and second output devices. Through input devices we enter data into the computer, while through output devices we get the results of the work done by the computer. Neeti should use a touchpad as an input device. The trackpad of a touchpad contains a tactile Sensor, an electronic device with a flat surface that detects the movement and position of user's fingers, producing output on the screen.

Explanations:

To work in a computer, two types of devices are required- first input device and second output devices. Through input devices we enter data into the computer, while through output devices we get the results of the work done by the computer. Neeti should use a touchpad as an input device. The trackpad of a touchpad contains a tactile Sensor, an electronic device with a flat surface that detects the movement and position of user's fingers, producing output on the screen.