Title
Computer SimulationCatalog Number
102657644Type
Still ImageDescription
A black and white poster describing how a computer adds two numbers. There are also instruction on how to enter numbersinto a demonstration that simulates a computer.
Computer Simulation
This demonstration shows how a computer adds two numbers.
Press any key to begin demonstration.
CPU - Central processsing unit
AC - Accumulator ( adds numbers)
PC - Program counter
IR - instruction register