What makes it work…let’s get physical Computer Hardware What makes it work…let’s get physical
What is a Computer? Answer the question
Pieces/Parts Processors Primary Storage Input Output Secondary Storage Communications Network
Processor On motherboard Numerous brands…one job Graphics Integrated or separate
Input Put data in Output Display data from processor
Primary Storage Anything that stores data for use in current operations or basic operations ROM RAM
Secondary Storage Anything that stores data for later use
Communications Bus cable System board Data transfer between computer and peripherals
Networking Communications between boxes Next Section
Moore’s Law Speed and capacity double every 24 months What this means
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?