Computer Input Devices Quiz

What is the primary function of a keyboard?

• To process data

• To input information

• To display images

• To store files

What technology is commonly used in modern keyboards?

• Capacitive touch

• Optical sensors

• Mechanical switches

• Rubber dome over membrane

What happens when a key on a keyboard is pressed?

• The key is disabled

• The key lights up

• The circuit is completed

• The computer shuts down

What is the purpose of a mouse pad?

• To charge the mouse

• To protect the mouse from damage

• To provide a textured surface for optical mice

• To enhance the mouse's speed

What type of light is used in an optical mouse?

• Ultraviolet light

• Light-emitting diode (LED)

• Infrared light

• Laser light

How do wireless mice typically connect to a computer?

• Using Bluetooth technology

• Through USB cables

• With Ethernet cables

• Via infrared signals

What is the fastest typing speed ever recorded?

• 300 words per minute

• 250 words per minute

• 216 words per minute

• 180 words per minute

What component inside a mouse analyzes movement patterns?

• Digital signal processor (DSP)

• Optical sensor

• Battery

• Microcontroller

What is the role of the integrated circuit in a keyboard?

• To connect to the internet

• To display output

• To store data

• To produce binary digits

What happens to the contacts in a keyboard when a key is pressed?

• They close

• They open

• They short-circuit

• They become inactive