12 Questions
Which type of keyboard has an alternative layout designed to improve typing speed?
Dvorak keyboard
How is data transmitted by wireless keyboards?
Via infrared light waves
What is the main function of Point of Sale (POS) terminals?
To read bar codes
How many main types of keyboard are mentioned in the text?
Five
What is the function of a Point of Sale Terminal (POS) in a supermarket or store?
To display scanned data and print itemized sales receipts
Which type of mouse uses devices that sense light to detect movement?
Optical mouse
How does a wireless mouse communicate with a receiver?
By using infrared or radio waves
What is the main difference between a mechanical mouse and an optical mouse?
The use of light sensors to detect movement
What type of device is the joystick?
Input device for controlling cursor motion in computer games
How does a light pen input digital signals to the computer?
By detecting the presence and absence of light on the screen
What is the purpose of a graphic tablet or digitizing pad?
Converting drawings, photos, etc to digital signals
How does a touch screen allow data input to the computer?
By touching items displayed on the screen with a finger
Test your knowledge of input devices used in information technology with this quiz. Learn about keyboard entry devices, pointing devices, source data entry devices, and multimedia input devices.
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