Accurate data should be relevant both to the context and to the subject

In the tech world, about 90% of the world's nearly one billion PCs use Microsoft's operating systems and 80% use Intel's microprocessors. This represents which aspect of the Porter's five forces model?

A) bargaining power of suppliers B) bargaining power of buyers C) threat of substitute products D) rivalry among competitors E) threat of new entrants

Error detection requires that extra bits be introduced into the data

stream. Indicate whether the statement is true or false