In the computer science curriculum for 2nd grade by , a key feature is identifying the System Unit as the main part of the computer .
Tests based on this textbook typically focus on distinguishing between input and output devices:
: The Processor is often referred to as the "brain," located inside the system unit to perform calculations.
In the computer science curriculum for 2nd grade by , a key feature is identifying the System Unit as the main part of the computer .
Tests based on this textbook typically focus on distinguishing between input and output devices:
: The Processor is often referred to as the "brain," located inside the system unit to perform calculations.



