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What are computer systems made up of
Hardware
Software
Define hardware
The physical components that make up a computer
Define software
Any program that runs on a computer
List the components that all computer systems must have
CPU/ Processor
Input device
Output device
Memory/ Primary storage
Secondary storage
Define input device
Something that takes real world data and coverts it into a form that can be stored and processed by the computer
Define output device
A device that outputs data generated by the computer
What is memory/ primary storage used for
To hold instructions currently being executed and data that is being used
What is secondary storage used for
Long term storage of programs and data
Give 3 examples of input devices
Mouse
Keyboard
Microphone
Give 3 example of output devices
Monitor
Speaker
Printer
Give 3 examples of storage devices
Hard disk drives
Solid state drives
CDs
Explain Von Neumann Architecture
The idea of holding both programs and data in memory where data would move between the memory unit and the processor
Developed by Jon Von Neumann in the 1990s based on the concept of the stored program counter
