Information Technology: Input Devices Quiz
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Questions and Answers

Which type of keyboard has an alternative layout designed to improve typing speed?

  • Enhanced keyboard
  • Wireless keyboard
  • QWERTY keyboard
  • Dvorak keyboard (correct)

How is data transmitted by wireless keyboards?

  • Via USB cable
  • Via radio waves
  • Via infrared light waves (correct)
  • Via Bluetooth

What is the main function of Point of Sale (POS) terminals?

  • To transmit data via infrared light waves
  • To read bar codes (correct)
  • To convert letters into binary code
  • To provide assistance to the blind

How many main types of keyboard are mentioned in the text?

<p>Five (B)</p> Signup and view all the answers

What is the function of a Point of Sale Terminal (POS) in a supermarket or store?

<p>To display scanned data and print itemized sales receipts (B)</p> Signup and view all the answers

Which type of mouse uses devices that sense light to detect movement?

<p>Optical mouse (B)</p> Signup and view all the answers

How does a wireless mouse communicate with a receiver?

<p>By using infrared or radio waves (D)</p> Signup and view all the answers

What is the main difference between a mechanical mouse and an optical mouse?

<p>The use of light sensors to detect movement (C)</p> Signup and view all the answers

What type of device is the joystick?

<p>Input device for controlling cursor motion in computer games (B)</p> Signup and view all the answers

How does a light pen input digital signals to the computer?

<p>By detecting the presence and absence of light on the screen (B)</p> Signup and view all the answers

What is the purpose of a graphic tablet or digitizing pad?

<p>Converting drawings, photos, etc to digital signals (D)</p> Signup and view all the answers

How does a touch screen allow data input to the computer?

<p>By touching items displayed on the screen with a finger (D)</p> Signup and view all the answers

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