Математикалық және логикалық операцияларды орындайтын негізгі микросхема:

1)  Сыртқы жады.

2)  Чипсет.

3)  Процессор.

4)  Шиналар.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            

5)  Слоттар.