Mother board-one of the major components of the computer. It controls all the work computer does.
CPU(central prossesing unit0:

• attached to the mother board
• does all sorts of math
• surrounded by thermal compounand. It protects the CPU from getting too hot. It gets hot because a lot of electricity pass through it.

RAM(random access memory):

• attached to the mother board
• needs the electricity to store the information in
• fast computers have big ram , that means that you can work on a lot of stuff at the same moment.

PCI-periferal computer interface,sort of connection.

Speed of the computer is measured in Herts. It shows how fast electricity goes through the computer.