explain how products have solved problems

Question 1

power station- electrical engineering

Answer 1

Fossil fuels to electricity which can power homes, businesses, hospitals and service.

Question 2

integrated circuit- electrical engineering

Answer 2

very small and cheap to make.
evolution of electrical and electronic products.

Question 3

house hold appliances- electrical engineering

Answer 3

They save time and effort .
improve energy efficiency.
reduce costs.
improve hygiene .
preserve food.

Question 4

Aircraft - Aerospace engineering

Answer 4

Easy travel to far places.
Transport many people and cargo.
Military aircraft used in war.

Question 5

space vehicles - Aerospace engineering

Answer 5

We can explore space and other worlds using robotic space vehicles.

Question 6

missiles - Aerospace engineering

Answer 6

Missiles cause a lot of damage.
Ballistic:
easy to detect but hard to intercept.
cruise:
Avoids detection by flying close to the ground.

Question 7

Telephone - communications engineering

Answer 7

communication anywhere in the world.

Question 8

Radio - communications engineering

Answer 8

used in air travel, shipping emergency services.
play music
GPS in car

Question 9

Fibre optic - communications engineering

Answer 9

send pulses of light through optical fibre which is quicker.
high bandwidths.
increased speed.