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Information Technology: Input Devices Quiz

12 Questions

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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?

Five Signup and view all the answers

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 Signup and view all the answers

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

Optical mouse Signup and view all the answers

How does a wireless mouse communicate with a receiver?

By using infrared or radio waves Signup and view all the answers

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

The use of light sensors to detect movement Signup and view all the answers

What type of device is the joystick?

Input device for controlling cursor motion in computer games Signup and view all the answers

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

By detecting the presence and absence of light on the screen Signup and view all the answers

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

Converting drawings, photos, etc to digital signals Signup and view all the answers

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

By touching items displayed on the screen with a finger Signup and view all the answers