Computer Input and Output Devices Quiz

What is the primary function of a keyboard input device?

• Input data and commands into a computer or other device

• Play music

• Print documents

• Display images on the screen

Which input device is used to move the cursor on the screen?

• Mouse or touchpad

• Stylus

• Joystick

• Keyboard

What is the main purpose of a monitor as an output device?

• To cook food

• To play music

• To display visual information from the computer

• To water plants

Which output device is used to produce a hard copy of documents?

• projector

• scanner

• monitor

• printer

What is the function of a speaker as an output device?

• It stores data for future use

• It displays images on the screen

• It processes input from the user

• It converts electrical signals into sound waves

What are the different types of keyboards available in the market?

• Wired, Wireless, Bluetooth, Infrared

• QWERTY, AZERTY, DVORAK, COLEMAK

• Numeric, Alphanumeric, Symbolic, Function

• Membrane, Mechanical, Ergonomic, Virtual

Explain the difference between an optical mouse and a mechanical mouse.

• An optical mouse uses a trackball to track movement, while a mechanical mouse uses a joystick.

• An optical mouse uses a laser to detect movement, while a mechanical mouse uses a touchpad.

• An optical mouse uses a light-emitting diode and photodiodes to detect movement, while a mechanical mouse uses a rubber ball and rollers to track movement.

• An optical mouse uses infrared sensors to detect movement, while a mechanical mouse uses a wireless connection.

How does a laser printer differ from an inkjet printer in terms of output quality?

• Inkjet printers produce higher quality output

• Laser printers and inkjet printers produce the same quality output

• Laser printers produce lower quality output

• Laser printers produce higher quality output.

Discuss the importance of screen resolution in a monitor.

• The importance of screen resolution is overrated

• Screen resolution only affects the size of the monitor

• Screen resolution affects the clarity and sharpness of images and text displayed on the monitor.

• Screen resolution has no impact on image quality

What are the different types of speakers commonly used in computers?

• Analog speakers, digital speakers, smart speakers

• Built-in speakers, external speakers, Bluetooth speakers

• Monitor speakers, surround sound speakers, USB speakers

• Wireless speakers, subwoofer, headphones