The CPI and PPI track changes in consumer prices and revenue streams, but differ in their focus and data collection methods. They can be used together to provide a more comprehensive picture of the market, but do not always match up accurately. The consumer price index (CPI) and the producer price index (PPI) determine changes […]
Pixels per inch (PPI) or pixel density is used to describe the resolution of a digital image. A higher PPI results in a sharper and clearer image, while a lower PPI results in a blurry image. The number of pixels per inch affects the quality of images on TV screens, computer screens, and mobile devices. […]
