Which of the following is an input device?

• printer

• monitor

• speaker

• keyboard

What is the primary function of a keyboard?

• To display images on the screen.

• To connect to the internet.

• To store data permanently.

• To input data and commands into a computer.

Which device is used to display visual output?

• Speaker

• Printer

• Monitor

• Scanner

What type of device is a microphone?

• An audio input device.

• An audio output device.

• A data storage device.

• A video input device.

Which of the following is NOT an example of an output device?

• Monitor

• Printer

• Speaker

• Keyboard

What is the main function of a mouse?

• To increase the speed of the computer.

• To facilitate user interaction with a computer.

• To store data permanently.

• To connect to the internet.

Which of these is an example of an input device?

• speaker

• keyboard

• monitor

• printer

What does a printer do?

• A printer stores files on a hard drive.

• A printer scans documents into digital format.

• A printer sends emails to recipients.

• A printer produces physical copies of digital documents.

Which device converts digital signals into sound?

• Digital-to-Analog Converter (DAC)

• Analog-to-Digital Converter (ADC)

• Sound Card

• Digital Signal Processor (DSP)

What is the purpose of a scanner?

• The purpose of a scanner is to digitize physical documents and images.

• To enhance the quality of printed documents.

• To store physical documents in a filing cabinet.

• To create 3D models from physical objects.