A diagram illustrating layers of computing systems from application software to physics.In the diagram, the layers are Application Software with an icon showing 'greater than double quote hello world exclamation double quote', Operating Systems with a laptop icon, Architecture with a grid icon, Micro architecture with arrows between blocks, Logic with a logic gate icon, Digital Circuits with a digital gate icon, Analog Circuits with an amplifier icon, Devices with a transistor icon and Physics with an atomic structure icon.Design Verification