1. What makes it work…let’s get physical
Computer Hardware
What makes it work…let’s get physical

2. What is a Computer?
Answer the question

3. Pieces/Parts Processors Primary Storage Input Output Secondary Storage
Communications
Network

4. Processor On motherboard Numerous brands…one job Graphics
Integrated or separate

5. Input
Put data in
Output
Display data from processor

6. Primary Storage
Anything that stores data for use in current operations or basic operations
ROM
RAM

7. Secondary Storage
Anything that stores data for later use

8. Communications Bus cable System board
Data transfer between computer and peripherals

9. Networking
Communications between boxes
Next Section

10. Moore’s Law
Speed and capacity double every 24 months
What this means

11. Activity Where are computers going If computer doubles every 24 months
Compute how many doublings there are from 14 to 30
Compute how many doublings from 30 to 60
How much faster will computers be in 2055?
What will computers do in 2020?