Understanding Machines and Computers

What is a common feature of all machines?

• They can work without human intervention.

• They make our work more difficult.

• They save time and work fast.

• They are all powered by fuel.

Which of the following machines operates using electricity?

• Fan

• Boat

• Car

• Bicycle

Which machine is powered by human effort?

• Washing machine

• Airplane

• Bicycle

• Refrigerator

What is a unique feature of computers compared to other machines?

• They work without any orders.

• They are used for transportation.

• They require fuel to operate.

• They can store information like words and numbers.

How does a computer differ from other machines in terms of performance?

• It gets tired after long use.

• It can make mistakes.

• It works only when given commands.

• It cannot store any data.