Podcast
Questions and Answers
Which type of keyboard has an alternative layout designed to improve typing speed?
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?
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?
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?
How many main types of keyboard are mentioned in the text?
What is the function of a Point of Sale Terminal (POS) in a supermarket or store?
What is the function of a Point of Sale Terminal (POS) in a supermarket or store?
Which type of mouse uses devices that sense light to detect movement?
Which type of mouse uses devices that sense light to detect movement?
How does a wireless mouse communicate with a receiver?
How does a wireless mouse communicate with a receiver?
What is the main difference between a mechanical mouse and an optical mouse?
What is the main difference between a mechanical mouse and an optical mouse?
What type of device is the joystick?
What type of device is the joystick?
How does a light pen input digital signals to the computer?
How does a light pen input digital signals to the computer?
What is the purpose of a graphic tablet or digitizing pad?
What is the purpose of a graphic tablet or digitizing pad?
How does a touch screen allow data input to the computer?
How does a touch screen allow data input to the computer?
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