Date: Lesson Meeting people Lesson materials appendix lead in activity

Expansion slots allow you to install expansion cards which add features like sound, memory and network capabilities.
Look at A and B opposite. Then match the sentence beginnings (1-6) with the correct endings (a-f).

1The CPU processes data and a areas within the CPU.

2The control unit is the part of the CPU that b you can’t make changes to it

3The arithmetic and logic unit is able to make c controls the way instructions are executed

4The registers are high-speed storage d the computer is turned off

5Data contained in RAM is lost when e coordinates the other parts of the computer

6ROM memory can only be read: f calculations: add, subtract, multiply and divide