Year5 Revision

Charles Babbage invented

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Which one is used the touch sensor?

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Tick the sensors used in Green house.

• Light sensor

• Motion sensor

• Sound Sensor

• Temperature sensor

• Humidity sensor

Buzzer (alarm) is the _________________in control system.

• input

• process

• output

The computer control machine is the __________.

• sensor

• robot

• keyboard

Sensor sends the data to the computer.

• True

• False

What does CPU stand for?

What shape was the first computer mouse?

• Oval

• rectangle

• square

In third generation computers, IC was used to replace the transistors. What does IC stand for?

• Internet Circuit

• Integrated Circuit

Who invented Bombe?

• Ada Lovelace

• Alan Turing

• Charles Babbage