Questions

Micro processor is a program-controlled device, which fetches the instruction from memory, decodes and executes the instructions. Most Micro Processor are single-chip devices.

Materials that usually allow electricity to pass through them are called Good conductors of electricity.

Conductors conduct electrical current very easily because of their free electrons.

Examples are :: Aluminium, Gold, Copper, Silver

Materials that do not allow or oppose electrical current & make poor conductors are called Insulators.

Examples are :: Glass, Plastic, Wood, Air,...

An improvement in technology would shift the supply curve rightward.

A duty is a task that is to be obeyed, followed and respected by all the citizens of the country or state.

When heated any substance, the molecules move apart from each other. Alike in the air the molecules move apart from each other. We know that the warm air is lighter than the cool air. Since after heating air gets warmer, it floats up and the cool air comes down to occupy the warm air place.