An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave.
Elasticity of supply measures how the amount of a good changes when the producer hires more employees. Elasticity of supply measures how the amount of a good changes when the producer uses new materials. Elasticity of demand measures how the amount of a good changes when its price goes up or down. Elasticity of demand measures how the amount of a good changes when its distribution expands.
As with demand, the degree of sensitivity to price is measured with what's called supply elasticity. The elasticity of supply is the percent change in quantity supplied given (divided by) the percent change in price (% change in quantity / % change in price).