Which statement is true about laptops?

Which statement is true about laptops?

• Most of the internal components that are designed for laptops cannot be used for desktops.
• Laptop motherboards have standard form factors.
• Laptops use fewer components than desktops use.
• Laptop CPUs do not use cooling devices.
  

  Explanation: Laptop internal components are designed with a small form factor and are proprietary. Although a laptop CPU uses less power, it needs a cooling device (heat sink and fan).