3.6 Input and Output devices

Organize these devices into input or output device:

Groups:

(a) Input device

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(b) Output device

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What is a device that can be used to obtain the results of processed data?

In other words, a device used to output data.

Give at five examples of output devices.

What is a device that allows data to be entered into a computer system?

Give at five examples of input devices.

What is a type of input device used to capture data from its immediate environment?

What is a system designed to operate without the need for any human intervention?

Match the following sensors with the type of data they capture.

• Measures sound levels

• Gas sensor

• Measures liquid, gas, or steam flow

• Acoustic sensor

• Measures moisture in the atmosphere

• Flow sensor

• Measures acceleration forces

• Humidity sensor

• Measures gas presence and concentration

• Accelerometer sensor

Match the following sensors with the type of data they capture.

• Light sensor

• Measures how close an object is by emitting and receiving electromagnetic radiation.

• Temperature sensor

• Detects distance for security and intruder presence.

• Infra-red sensor

• Measures the presence of a magnetic field emitted by nearby objects.

• Magnetic Field sensor

• Measures the temperature of an object or environment via direct contact or surroundings.

• Proximity sensor

• Measures ambient light; used in automatic systems to control lighting, like streetlights.

Is a sensor an example of an input device or an output device?

• Input device

• output device