Introducing Hardware
You Will Learn
That a computer requires both hardware and software to work
About the many different hardware components inside and connected to a computer
How the CPU works and how it communicates with other devices
Communication Between Hardware and Software
Binary number system
ASCII (American Standard Code for Information Interchange)
Hexadecimal notation (hex)
PC Hardware Components
Input/output
Processing
Storage
Electrical supply
Communication
Elements Required for Hardware Devices to Operate
Method for the CPU to communicate with the device
Software to instruct and control the device
Electricity to power the device
Hardware Used forInput and Output
Most resides outside computer case
Communicates through a port or a wireless connection