ICT Input Devices

What is the primary function of a keyboard?

• Cooking recipes

• Printing documents

• Inputting data into a computer

• Playing music

Name one example of a pointing device.

• mouse

• trackpad

• joystick

• keyboard

Explain the purpose of a microphone as an input device.

• Microphones are used to measure temperature in a room

• Microphones are designed to cook food quickly

• The purpose of a microphone is to project images onto a screen

• The purpose of a microphone as an input device is to capture audio and convert it into a digital format for recording, amplification, or transmission.

How does a barcode reader work as an input device?

• It uses magnetic fields to scan the barcode data.

• It uses light, sensors, and a decoder to read and interpret the barcode information.

• It utilizes temperature sensors to read the barcode content.

• It relies on voice recognition technology to decode the barcode information.

What is the role of a scanner in the input process?

• The role of a scanner is to print documents

• The role of a scanner in the input process is to convert physical documents or images into digital format.

• Scanners are used for audio input

• Scanners convert digital files into physical documents

Describe the function of a digital camera as an input device.

• It projects holographic images in the air

• It converts images into sound waves

• It captures images or videos and converts them into digital data.

• It prints images directly onto paper

What are the different types of sensors used as input devices?

• humidity sensors

• vibration sensors

• motion sensors, temperature sensors, light sensors, proximity sensors, pressure sensors, touch sensors

• sound sensors

How does a joystick function as an input device?

• A joystick translates physical movements into digital signals for device interpretation.

• A joystick relies on smell to interact with devices.

• A joystick converts sound waves into visual signals.

• A joystick uses telepathy to control devices.

What is the purpose of a graphics tablet in the input process?

• Graphics tablets are designed for making phone calls

• The purpose of a graphics tablet in the input process is to enable users to draw directly onto the tablet surface using a stylus.

• Graphics tablets are used for cooking recipes

• The purpose of a graphics tablet is to play video games

Explain the concept of a touchpad as an input device.

• A touchpad is an input device that detects finger movements on its surface to control the cursor on a screen.

• A touchpad is a tool used for measuring temperature in cooking.

• A touchpad is a type of printer used for printing images directly from a computer.

• A touchpad is a device that scans fingerprints for security purposes.