​The component of computer – CPU Heat Sink and Cooling Fan
CPU heat sink and cooling fan keep the CPU at a steady temperature. 

​The component of computer – Case Cooling Fan
Case cooling fan extracts hot air from the computer case.

​The components of computer – Power Supply
-Power supply as the name suggest supplies power to motherboard, optical and hard drives. 

​What are the advantages of the embedded systems? 
The embedded systems are easier to design, not expensive to produce and efficient at doing the specific task than general purpose computer. 

​What is the function of embedded systems? 
The embedded systems are used as control systems. The embedded systems monitor and control machinery to achieve the desired result.
As an example, the embedded system in a dishwasher control the water pumps and release of the water mechanisms and managing various dishwasher cycles as well as controlling the thermostat to maintain the temperature of the water.