A technician says that your laptop is running slowly because your heat sink may have come loose. What is a heat sink?
A) A heat sink uses cool water to lower the temperature of motherboard components.
B) A heat sink is a fan that sits directly on processors to provide additional cooling.
C) A heat sink is used to pull cool air through computer cases to lower the overall case temperature.
D) A heat sink dissipates heat from computer components through thermal conduction.