Information Technology Quiz

What is the purpose of a sensor in monitoring systems?

• To convert physical characteristics into electrical signals

• To store data in a digital format

• To control physical variables

• To convert digital data into analogue signals

What is the function of an actuator in a control system?

• To store data in a digital format

• To convert physical characteristics into electrical signals

• To measure physical variables

• To control a device based on sensor data

What is the purpose of an analogue to digital converter (ADC) in monitoring systems?

• To convert physical characteristics into digital data

• To store data in a digital format

• To convert digital data into analogue signals

• To control physical variables

What is the main difference between monitoring and control technologies?

• In control systems, the output affects the input

• Monitoring systems use real-time processing, while control systems do not

• In monitoring systems, the output affects the input

• Control systems use sensors, while monitoring systems use actuators

What is the purpose of calibration in sensors?

• To convert physical characteristics into electrical signals

• To adjust a sensor's output to match a known reference or standard

• To control physical variables

• To store data in a digital format

What is the calibration process based on a single reference point called?

• One-point calibration

• Single-point calibration

• Two-point calibration

• Multi-point calibration

What is the purpose of a weather station in monitoring technologies?

• To gather data from the environment

• To control physical variables

• To convert physical characteristics into electrical signals

• To store data in a digital format

How are studies of water pollution usually conducted?

• By analyzing air pressure

• By monitoring temperature changes

• By measuring the amount of rainfall

• By comparing readings from sensors upstream and downstream

What is the purpose of monitoring patients in a hospital using a computer system?

• To measure vital signs and alert in case of abnormalities

• To store data in a digital format

• To control physical variables

• To convert physical characteristics into electrical signals

How does a computer control a greenhouse environment?

• By measuring atmospheric pressure

• By converting physical characteristics into electrical signals

• By comparing sensor data to pre-set values and activating actuators

• By storing data in a digital format