ICT Uses in Everyday Life Part 2

How do computers measure things?

• Through the use of actuators

• Through the use of sensors

• Through processing information

• None of the choices

The following are reasons why computers are used in measuring things, except_________.

• Computers do not take breaks

• People are free to do more useful task

• It can operate in difficult environments

• It needs to be paid.

They feed data into the computers.

• Actuatuor

• Processor

• Sensors

• None of the choices

I. Sensors gather digital data.

II. Computers understand analogue data.

• Statement I is true, and statement II is false.

• Statement I is false, and statement II is true.

• Both statements are true.

• Both statements are false

It is a device controlled by a computer that can affect the real world.

• Sensor

• Processor

• Actuators

• None of the choices

Heater is an example of _________ which can __________temperature

• actuator; decrease

• actuator; increase

• sensor; detect

• sensor; affect

A computer program that attempts to simulate a real life system.

• Computer Model

• Automated Greenhouse

• Turtle Graphics

• None of the choices

Which of the following is not a use of computer models?

• To predict what might happen to a system in the future.

• To train people to use a system without putting them at risk.

• To investigate a system in great detail.

• To affect the real world.

The following are example of computer modelling, except___________.

• Designing Safer Cars

• Weather Forecasting

• Building better Bridges

• Automatic Green House

I. Flight simulators behave almost exactly like real airplanes.

II. A computer model of a business can be used to help predict future profits.

• Statement I is true, and statement II is false

• Statement I is false, and statement II is true

• Both statements are true

• Both statements are false