1. CPU
Starter on shared area for pupils as they log on. L1 starter activity

2. Starter:
Do not use the computer. Answer the following: What do you think a CPU is?

3. What is a CPU? CPU stands for Central Processing Unit
It is the engine of any computer
Anything that needs to execute an instruction needs a CPU
Phone, Ipod, home computer, vending machine.

4. Central Processing Unit (CPU)
The CPU is the engine of the computer
It fetches, decodes and executes instructions which are stored in memory. This makes your computer function
Without a CPU your computer would
not even switch on

5. Fetch, Decode, Execute Step 1: CPU fetches the instruction from memory
Instruction fetched from memory
CPU
Instruction decoded then executed
Memory
Answer returned to memory and instruction carried out
Step 1: CPU fetches the instruction from memory
Step 2: CPU decodes the instruction so that it understands it
Step 3: CPU executes the instruction and sends back its answer

6. Cache Cache is a very quick type of memory It is part of the CPU chip
Activity: research a Cache in pairs and write a description that you can share with the rest of the group.

7. CPU Cores Modern CPUs have two (dual core) or four cores (quad core)
Activity: Research dual core and quad core individually then compare your findings with a partner.

8. Activity
Create a presentation or a document to describe the CPU. Here are some questions you will need to consider: -What is a CPU? -What does it do? -What does it look like? -What is Cache? -What is a core?