Lesson 3: Inside the system

Part III: Read the text on page 8 and then answer these questions

1) What are the main parts of the CPU?

2) What does ALU stand for? What does it do?

3) What is the function of the system clock?

4) How much is one gigahertz?

5) What type of memory is temporary?

6) What type of memory is permanent and includes instructions needed by the CPU?

7) How can RAM be increased?

8) What term is used to refer to the main printed circuit board?

9) What is a bus?

10) What is the benefit of having expansion slots?

Part IV: Read the text and answer the question

1) How many digits does a binary system use?

2) What is a bit?

3) What is a collection of eight bits called?

4) What does ASCII stand for?

5) What is the purpose of ASCII?